Home / 193,778.64-267,439.11-108,895.63

Finding the Fourth Proportional to 193,778.64, 267,439.11 and 108,895.63

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Solution

The fourth proportional to 193,778.64, 267,439.11 and 108,895.63 is: 150,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,778.64 : 267,439.11 = 108,895.63 : x
  2. Step 2: Convert to fraction form
    193,778.64/267,439.11 = 108,895.63/x
  3. Step 3: Cross multiply
    193,778.64x = 267,439.11 × 108,895.63
  4. Step 4: Simplify right side
    193,778.64x = 29,122,950,370.09
  5. Step 5: Solve for x
    x = 29,122,950,370.09/193,778.64
  6. Step 6: Final answer
    x = 150,289.79

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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.