Finding the Fourth Proportional to 168,587.12, 232,654.92 and 93,140.48
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Solution
The fourth proportional to 168,587.12, 232,654.92 and 93,140.48 is: 128,536.46
Step by Step Solution
- Step 1: Write the proportion equation
168,587.12 : 232,654.92 = 93,140.48 : x - Step 2: Convert to fraction form
168,587.12/232,654.92 = 93,140.48/x - Step 3: Cross multiply
168,587.12x = 232,654.92 × 93,140.48 - Step 4: Simplify right side
168,587.12x = 21,669,590,923.16 - Step 5: Solve for x
x = 21,669,590,923.16/168,587.12 - Step 6: Final answer
x = 128,536.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.