Home / 113,499.11-156,591.20-73,239.62

Finding the Fourth Proportional to 113,499.11, 156,591.20 and 73,239.62

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Solution

The fourth proportional to 113,499.11, 156,591.20 and 73,239.62 is: 101,046.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,499.11 : 156,591.20 = 73,239.62 : x
  2. Step 2: Convert to fraction form
    113,499.11/156,591.20 = 73,239.62/x
  3. Step 3: Cross multiply
    113,499.11x = 156,591.20 × 73,239.62
  4. Step 4: Simplify right side
    113,499.11x = 11,468,678,834.19
  5. Step 5: Solve for x
    x = 11,468,678,834.19/113,499.11
  6. Step 6: Final answer
    x = 101,046.43

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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.