Home / 148,542.40-222,511.20-92,209.60

Finding the Fourth Proportional to 148,542.40, 222,511.20 and 92,209.60

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Solution

The fourth proportional to 148,542.40, 222,511.20 and 92,209.60 is: 138,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,542.40 : 222,511.20 = 92,209.60 : x
  2. Step 2: Convert to fraction form
    148,542.40/222,511.20 = 92,209.60/x
  3. Step 3: Cross multiply
    148,542.40x = 222,511.20 × 92,209.60
  4. Step 4: Simplify right side
    148,542.40x = 20,517,668,747.52
  5. Step 5: Solve for x
    x = 20,517,668,747.52/148,542.40
  6. Step 6: Final answer
    x = 138,126.68

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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.