Home / 146,951.10-220,426.65-76,851.90

Finding the Fourth Proportional to 146,951.10, 220,426.65 and 76,851.90

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Solution

The fourth proportional to 146,951.10, 220,426.65 and 76,851.90 is: 115,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,951.10 : 220,426.65 = 76,851.90 : x
  2. Step 2: Convert to fraction form
    146,951.10/220,426.65 = 76,851.90/x
  3. Step 3: Cross multiply
    146,951.10x = 220,426.65 × 76,851.90
  4. Step 4: Simplify right side
    146,951.10x = 16,940,206,863.14
  5. Step 5: Solve for x
    x = 16,940,206,863.14/146,951.10
  6. Step 6: Final answer
    x = 115,277.85

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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.