Home / 148,078.20-222,117.30-132,331.80

Finding the Fourth Proportional to 148,078.20, 222,117.30 and 132,331.80

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Solution

The fourth proportional to 148,078.20, 222,117.30 and 132,331.80 is: 198,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,078.20 : 222,117.30 = 132,331.80 : x
  2. Step 2: Convert to fraction form
    148,078.20/222,117.30 = 132,331.80/x
  3. Step 3: Cross multiply
    148,078.20x = 222,117.30 × 132,331.80
  4. Step 4: Simplify right side
    148,078.20x = 29,393,182,120.14
  5. Step 5: Solve for x
    x = 29,393,182,120.14/148,078.20
  6. Step 6: Final answer
    x = 198,497.70

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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.