Home / 161,938.29-223,402.59-93,915.87

Finding the Fourth Proportional to 161,938.29, 223,402.59 and 93,915.87

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Solution

The fourth proportional to 161,938.29, 223,402.59 and 93,915.87 is: 129,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,938.29 : 223,402.59 = 93,915.87 : x
  2. Step 2: Convert to fraction form
    161,938.29/223,402.59 = 93,915.87/x
  3. Step 3: Cross multiply
    161,938.29x = 223,402.59 × 93,915.87
  4. Step 4: Simplify right side
    161,938.29x = 20,981,049,589.27
  5. Step 5: Solve for x
    x = 20,981,049,589.27/161,938.29
  6. Step 6: Final answer
    x = 129,562.00

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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.