Home / 148,083.20-222,270.60-73,287.80

Finding the Fourth Proportional to 148,083.20, 222,270.60 and 73,287.80

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Solution

The fourth proportional to 148,083.20, 222,270.60 and 73,287.80 is: 110,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,083.20 : 222,270.60 = 73,287.80 : x
  2. Step 2: Convert to fraction form
    148,083.20/222,270.60 = 73,287.80/x
  3. Step 3: Cross multiply
    148,083.20x = 222,270.60 × 73,287.80
  4. Step 4: Simplify right side
    148,083.20x = 16,289,723,278.68
  5. Step 5: Solve for x
    x = 16,289,723,278.68/148,083.20
  6. Step 6: Final answer
    x = 110,003.86

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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.