Home / 447,760.20-671,640.30-132,216.60

Finding the Fourth Proportional to 447,760.20, 671,640.30 and 132,216.60

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Solution

The fourth proportional to 447,760.20, 671,640.30 and 132,216.60 is: 198,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,760.20 : 671,640.30 = 132,216.60 : x
  2. Step 2: Convert to fraction form
    447,760.20/671,640.30 = 132,216.60/x
  3. Step 3: Cross multiply
    447,760.20x = 671,640.30 × 132,216.60
  4. Step 4: Simplify right side
    447,760.20x = 88,801,996,888.98
  5. Step 5: Solve for x
    x = 88,801,996,888.98/447,760.20
  6. Step 6: Final answer
    x = 198,324.90

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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.