Home / 193,400.28-266,893.20-108,517.68

Finding the Fourth Proportional to 193,400.28, 266,893.20 and 108,517.68

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Solution

The fourth proportional to 193,400.28, 266,893.20 and 108,517.68 is: 149,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,400.28 : 266,893.20 = 108,517.68 : x
  2. Step 2: Convert to fraction form
    193,400.28/266,893.20 = 108,517.68/x
  3. Step 3: Cross multiply
    193,400.28x = 266,893.20 × 108,517.68
  4. Step 4: Simplify right side
    193,400.28x = 28,962,630,871.78
  5. Step 5: Solve for x
    x = 28,962,630,871.78/193,400.28
  6. Step 6: Final answer
    x = 149,754.85

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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.