Home / 146,917.26-220,375.85-67,988.43

Finding the Fourth Proportional to 146,917.26, 220,375.85 and 67,988.43

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Solution

The fourth proportional to 146,917.26, 220,375.85 and 67,988.43 is: 101,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,917.26 : 220,375.85 = 67,988.43 : x
  2. Step 2: Convert to fraction form
    146,917.26/220,375.85 = 67,988.43/x
  3. Step 3: Cross multiply
    146,917.26x = 220,375.85 × 67,988.43
  4. Step 4: Simplify right side
    146,917.26x = 14,983,007,711.47
  5. Step 5: Solve for x
    x = 14,983,007,711.47/146,917.26
  6. Step 6: Final answer
    x = 101,982.62

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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.