Home / 149,513.52-206,330.20-82,447.92

Finding the Fourth Proportional to 149,513.52, 206,330.20 and 82,447.92

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Solution

The fourth proportional to 149,513.52, 206,330.20 and 82,447.92 is: 113,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,513.52 : 206,330.20 = 82,447.92 : x
  2. Step 2: Convert to fraction form
    149,513.52/206,330.20 = 82,447.92/x
  3. Step 3: Cross multiply
    149,513.52x = 206,330.20 × 82,447.92
  4. Step 4: Simplify right side
    149,513.52x = 17,011,495,823.18
  5. Step 5: Solve for x
    x = 17,011,495,823.18/149,513.52
  6. Step 6: Final answer
    x = 113,778.98

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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.