Home / 147,925.20-222,033.60-73,129.80

Finding the Fourth Proportional to 147,925.20, 222,033.60 and 73,129.80

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Solution

The fourth proportional to 147,925.20, 222,033.60 and 73,129.80 is: 109,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,925.20 : 222,033.60 = 73,129.80 : x
  2. Step 2: Convert to fraction form
    147,925.20/222,033.60 = 73,129.80/x
  3. Step 3: Cross multiply
    147,925.20x = 222,033.60 × 73,129.80
  4. Step 4: Simplify right side
    147,925.20x = 16,237,272,761.28
  5. Step 5: Solve for x
    x = 16,237,272,761.28/147,925.20
  6. Step 6: Final answer
    x = 109,766.78

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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.