Home / 132,909.13-183,419.17-75,550.86

Finding the Fourth Proportional to 132,909.13, 183,419.17 and 75,550.86

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Solution

The fourth proportional to 132,909.13, 183,419.17 and 75,550.86 is: 104,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,909.13 : 183,419.17 = 75,550.86 : x
  2. Step 2: Convert to fraction form
    132,909.13/183,419.17 = 75,550.86/x
  3. Step 3: Cross multiply
    132,909.13x = 183,419.17 × 75,550.86
  4. Step 4: Simplify right side
    132,909.13x = 13,857,475,845.11
  5. Step 5: Solve for x
    x = 13,857,475,845.11/132,909.13
  6. Step 6: Final answer
    x = 104,262.78

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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.