Home / 131,346.92-197,049.20-42,609.39

Finding the Fourth Proportional to 131,346.92, 197,049.20 and 42,609.39

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Solution

The fourth proportional to 131,346.92, 197,049.20 and 42,609.39 is: 63,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,346.92 : 197,049.20 = 42,609.39 : x
  2. Step 2: Convert to fraction form
    131,346.92/197,049.20 = 42,609.39/x
  3. Step 3: Cross multiply
    131,346.92x = 197,049.20 × 42,609.39
  4. Step 4: Simplify right side
    131,346.92x = 8,396,145,998.94
  5. Step 5: Solve for x
    x = 8,396,145,998.94/131,346.92
  6. Step 6: Final answer
    x = 63,923.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.