Home / 146,872.20-220,310.40-41,691.24

Finding the Fourth Proportional to 146,872.20, 220,310.40 and 41,691.24

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Solution

The fourth proportional to 146,872.20, 220,310.40 and 41,691.24 is: 62,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,872.20 : 220,310.40 = 41,691.24 : x
  2. Step 2: Convert to fraction form
    146,872.20/220,310.40 = 41,691.24/x
  3. Step 3: Cross multiply
    146,872.20x = 220,310.40 × 41,691.24
  4. Step 4: Simplify right side
    146,872.20x = 9,185,013,760.90
  5. Step 5: Solve for x
    x = 9,185,013,760.90/146,872.20
  6. Step 6: Final answer
    x = 62,537.46

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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.