Home / 126,942.86-175,251.34-113,481.87

Finding the Fourth Proportional to 126,942.86, 175,251.34 and 113,481.87

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Solution

The fourth proportional to 126,942.86, 175,251.34 and 113,481.87 is: 156,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,942.86 : 175,251.34 = 113,481.87 : x
  2. Step 2: Convert to fraction form
    126,942.86/175,251.34 = 113,481.87/x
  3. Step 3: Cross multiply
    126,942.86x = 175,251.34 × 113,481.87
  4. Step 4: Simplify right side
    126,942.86x = 19,887,849,215.80
  5. Step 5: Solve for x
    x = 19,887,849,215.80/126,942.86
  6. Step 6: Final answer
    x = 156,667.73

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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.