Home / 113,008.40-169,318.20-73,545.20

Finding the Fourth Proportional to 113,008.40, 169,318.20 and 73,545.20

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Solution

The fourth proportional to 113,008.40, 169,318.20 and 73,545.20 is: 110,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,008.40 : 169,318.20 = 73,545.20 : x
  2. Step 2: Convert to fraction form
    113,008.40/169,318.20 = 73,545.20/x
  3. Step 3: Cross multiply
    113,008.40x = 169,318.20 × 73,545.20
  4. Step 4: Simplify right side
    113,008.40x = 12,452,540,882.64
  5. Step 5: Solve for x
    x = 12,452,540,882.64/113,008.40
  6. Step 6: Final answer
    x = 110,191.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.