Home / 193,625.72-267,228.55-108,742.78

Finding the Fourth Proportional to 193,625.72, 267,228.55 and 108,742.78

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Solution

The fourth proportional to 193,625.72, 267,228.55 and 108,742.78 is: 150,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,625.72 : 267,228.55 = 108,742.78 : x
  2. Step 2: Convert to fraction form
    193,625.72/267,228.55 = 108,742.78/x
  3. Step 3: Cross multiply
    193,625.72x = 267,228.55 × 108,742.78
  4. Step 4: Simplify right side
    193,625.72x = 29,059,175,892.33
  5. Step 5: Solve for x
    x = 29,059,175,892.33/193,625.72
  6. Step 6: Final answer
    x = 150,079.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.