Home / 151,801.20-227,766.60-72,874.80

Finding the Fourth Proportional to 151,801.20, 227,766.60 and 72,874.80

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Solution

The fourth proportional to 151,801.20, 227,766.60 and 72,874.80 is: 109,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,801.20 : 227,766.60 = 72,874.80 : x
  2. Step 2: Convert to fraction form
    151,801.20/227,766.60 = 72,874.80/x
  3. Step 3: Cross multiply
    151,801.20x = 227,766.60 × 72,874.80
  4. Step 4: Simplify right side
    151,801.20x = 16,598,445,421.68
  5. Step 5: Solve for x
    x = 16,598,445,421.68/151,801.20
  6. Step 6: Final answer
    x = 109,343.31

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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.