Home / 136,553.22-204,785.49-52,308.90

Finding the Fourth Proportional to 136,553.22, 204,785.49 and 52,308.90

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Solution

The fourth proportional to 136,553.22, 204,785.49 and 52,308.90 is: 78,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,553.22 : 204,785.49 = 52,308.90 : x
  2. Step 2: Convert to fraction form
    136,553.22/204,785.49 = 52,308.90/x
  3. Step 3: Cross multiply
    136,553.22x = 204,785.49 × 52,308.90
  4. Step 4: Simplify right side
    136,553.22x = 10,712,103,717.86
  5. Step 5: Solve for x
    x = 10,712,103,717.86/136,553.22
  6. Step 6: Final answer
    x = 78,446.36

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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.