Home / 148,761.20-223,287.60-73,965.80

Finding the Fourth Proportional to 148,761.20, 223,287.60 and 73,965.80

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Solution

The fourth proportional to 148,761.20, 223,287.60 and 73,965.80 is: 111,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,761.20 : 223,287.60 = 73,965.80 : x
  2. Step 2: Convert to fraction form
    148,761.20/223,287.60 = 73,965.80/x
  3. Step 3: Cross multiply
    148,761.20x = 223,287.60 × 73,965.80
  4. Step 4: Simplify right side
    148,761.20x = 16,515,645,964.08
  5. Step 5: Solve for x
    x = 16,515,645,964.08/148,761.20
  6. Step 6: Final answer
    x = 111,021.19

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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.