Home / 197,143.92-271,775.38-140,456.88

Finding the Fourth Proportional to 197,143.92, 271,775.38 and 140,456.88

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Solution

The fourth proportional to 197,143.92, 271,775.38 and 140,456.88 is: 193,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,143.92 : 271,775.38 = 140,456.88 : x
  2. Step 2: Convert to fraction form
    197,143.92/271,775.38 = 140,456.88/x
  3. Step 3: Cross multiply
    197,143.92x = 271,775.38 × 140,456.88
  4. Step 4: Simplify right side
    197,143.92x = 38,172,721,935.61
  5. Step 5: Solve for x
    x = 38,172,721,935.61/197,143.92
  6. Step 6: Final answer
    x = 193,628.71

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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.