Home / 193,543.68-267,086.34-108,660.72

Finding the Fourth Proportional to 193,543.68, 267,086.34 and 108,660.72

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Solution

The fourth proportional to 193,543.68, 267,086.34 and 108,660.72 is: 149,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543.68 : 267,086.34 = 108,660.72 : x
  2. Step 2: Convert to fraction form
    193,543.68/267,086.34 = 108,660.72/x
  3. Step 3: Cross multiply
    193,543.68x = 267,086.34 × 108,660.72
  4. Step 4: Simplify right side
    193,543.68x = 29,021,794,006.56
  5. Step 5: Solve for x
    x = 29,021,794,006.56/193,543.68
  6. Step 6: Final answer
    x = 149,949.58

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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.