Home / 177,962.28-267,021.18-138,460.20

Finding the Fourth Proportional to 177,962.28, 267,021.18 and 138,460.20

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Solution

The fourth proportional to 177,962.28, 267,021.18 and 138,460.20 is: 207,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,962.28 : 267,021.18 = 138,460.20 : x
  2. Step 2: Convert to fraction form
    177,962.28/267,021.18 = 138,460.20/x
  3. Step 3: Cross multiply
    177,962.28x = 267,021.18 × 138,460.20
  4. Step 4: Simplify right side
    177,962.28x = 36,971,805,987.04
  5. Step 5: Solve for x
    x = 36,971,805,987.04/177,962.28
  6. Step 6: Final answer
    x = 207,750.80

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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.