Home / 126,149.16-189,354.96-92,906.76

Finding the Fourth Proportional to 126,149.16, 189,354.96 and 92,906.76

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Solution

The fourth proportional to 126,149.16, 189,354.96 and 92,906.76 is: 139,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,149.16 : 189,354.96 = 92,906.76 : x
  2. Step 2: Convert to fraction form
    126,149.16/189,354.96 = 92,906.76/x
  3. Step 3: Cross multiply
    126,149.16x = 189,354.96 × 92,906.76
  4. Step 4: Simplify right side
    126,149.16x = 17,592,355,823.53
  5. Step 5: Solve for x
    x = 17,592,355,823.53/126,149.16
  6. Step 6: Final answer
    x = 139,456.78

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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.