Home / 116,916.15-161,306.04-71,546.83

Finding the Fourth Proportional to 116,916.15, 161,306.04 and 71,546.83

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Solution

The fourth proportional to 116,916.15, 161,306.04 and 71,546.83 is: 98,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,916.15 : 161,306.04 = 71,546.83 : x
  2. Step 2: Convert to fraction form
    116,916.15/161,306.04 = 71,546.83/x
  3. Step 3: Cross multiply
    116,916.15x = 161,306.04 × 71,546.83
  4. Step 4: Simplify right side
    116,916.15x = 11,540,935,821.85
  5. Step 5: Solve for x
    x = 11,540,935,821.85/116,916.15
  6. Step 6: Final answer
    x = 98,711.22

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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.