Home / 232,691.16-321,105.24-142,198.56

Finding the Fourth Proportional to 232,691.16, 321,105.24 and 142,198.56

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Solution

The fourth proportional to 232,691.16, 321,105.24 and 142,198.56 is: 196,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,691.16 : 321,105.24 = 142,198.56 : x
  2. Step 2: Convert to fraction form
    232,691.16/321,105.24 = 142,198.56/x
  3. Step 3: Cross multiply
    232,691.16x = 321,105.24 × 142,198.56
  4. Step 4: Simplify right side
    232,691.16x = 45,660,702,736.45
  5. Step 5: Solve for x
    x = 45,660,702,736.45/232,691.16
  6. Step 6: Final answer
    x = 196,228.78

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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.