Finding the Fourth Proportional to 157,201.32, 216,904.17 and 93,526.68
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Solution
The fourth proportional to 157,201.32, 216,904.17 and 93,526.68 is: 129,046.80
Step by Step Solution
- Step 1: Write the proportion equation
157,201.32 : 216,904.17 = 93,526.68 : x - Step 2: Convert to fraction form
157,201.32/216,904.17 = 93,526.68/x - Step 3: Cross multiply
157,201.32x = 216,904.17 × 93,526.68 - Step 4: Simplify right side
157,201.32x = 20,286,326,898.26 - Step 5: Solve for x
x = 20,286,326,898.26/157,201.32 - Step 6: Final answer
x = 129,046.80
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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.