Home / 177,962.20-267,008.10-72,856.60

Finding the Fourth Proportional to 177,962.20, 267,008.10 and 72,856.60

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Solution

The fourth proportional to 177,962.20, 267,008.10 and 72,856.60 is: 109,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,962.20 : 267,008.10 = 72,856.60 : x
  2. Step 2: Convert to fraction form
    177,962.20/267,008.10 = 72,856.60/x
  3. Step 3: Cross multiply
    177,962.20x = 267,008.10 × 72,856.60
  4. Step 4: Simplify right side
    177,962.20x = 19,453,302,338.46
  5. Step 5: Solve for x
    x = 19,453,302,338.46/177,962.20
  6. Step 6: Final answer
    x = 109,311.43

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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.