Home / 146,732.14-220,069.05-71,820.10

Finding the Fourth Proportional to 146,732.14, 220,069.05 and 71,820.10

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Solution

The fourth proportional to 146,732.14, 220,069.05 and 71,820.10 is: 107,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,732.14 : 220,069.05 = 71,820.10 : x
  2. Step 2: Convert to fraction form
    146,732.14/220,069.05 = 71,820.10/x
  3. Step 3: Cross multiply
    146,732.14x = 220,069.05 × 71,820.10
  4. Step 4: Simplify right side
    146,732.14x = 15,805,381,177.91
  5. Step 5: Solve for x
    x = 15,805,381,177.91/146,732.14
  6. Step 6: Final answer
    x = 107,715.88

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1.5x scale

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.