Home / 177,991.20-267,085.08-72,883.80

Finding the Fourth Proportional to 177,991.20, 267,085.08 and 72,883.80

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Solution

The fourth proportional to 177,991.20, 267,085.08 and 72,883.80 is: 109,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,991.20 : 267,085.08 = 72,883.80 : x
  2. Step 2: Convert to fraction form
    177,991.20/267,085.08 = 72,883.80/x
  3. Step 3: Cross multiply
    177,991.20x = 267,085.08 × 72,883.80
  4. Step 4: Simplify right side
    177,991.20x = 19,466,175,553.70
  5. Step 5: Solve for x
    x = 19,466,175,553.70/177,991.20
  6. Step 6: Final answer
    x = 109,365.94

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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.