Ratio
Percentage, Comparatively, Fairly
adverb, noun
わりあい
比例 (ひれい) Being Proportional, Proportion
比率 (ひりつ) Ratio, Proportion, Percentage
割合 (わりあい) Ratio, Percentage, Comparatively, Fairly
Ratios are evil just like evil warii わりあい (wario plural).