Home / 126,059.24-189,121.66-47,179.56

Finding the Fourth Proportional to 126,059.24, 189,121.66 and 47,179.56

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Solution

The fourth proportional to 126,059.24, 189,121.66 and 47,179.56 is: 70,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,059.24 : 189,121.66 = 47,179.56 : x
  2. Step 2: Convert to fraction form
    126,059.24/189,121.66 = 47,179.56/x
  3. Step 3: Cross multiply
    126,059.24x = 189,121.66 × 47,179.56
  4. Step 4: Simplify right side
    126,059.24x = 8,922,676,705.27
  5. Step 5: Solve for x
    x = 8,922,676,705.27/126,059.24
  6. Step 6: Final answer
    x = 70,781.62

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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.