Home / 149,963.38-206,929.20-96,321.13

Finding the Fourth Proportional to 149,963.38, 206,929.20 and 96,321.13

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Solution

The fourth proportional to 149,963.38, 206,929.20 and 96,321.13 is: 132,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,963.38 : 206,929.20 = 96,321.13 : x
  2. Step 2: Convert to fraction form
    149,963.38/206,929.20 = 96,321.13/x
  3. Step 3: Cross multiply
    149,963.38x = 206,929.20 × 96,321.13
  4. Step 4: Simplify right side
    149,963.38x = 19,931,654,374.00
  5. Step 5: Solve for x
    x = 19,931,654,374.00/149,963.38
  6. Step 6: Final answer
    x = 132,910.14

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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.