Home / 126,550.20-189,825.30-73,932.60

Finding the Fourth Proportional to 126,550.20, 189,825.30 and 73,932.60

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Solution

The fourth proportional to 126,550.20, 189,825.30 and 73,932.60 is: 110,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,550.20 : 189,825.30 = 73,932.60 : x
  2. Step 2: Convert to fraction form
    126,550.20/189,825.30 = 73,932.60/x
  3. Step 3: Cross multiply
    126,550.20x = 189,825.30 × 73,932.60
  4. Step 4: Simplify right side
    126,550.20x = 14,034,277,974.78
  5. Step 5: Solve for x
    x = 14,034,277,974.78/126,550.20
  6. Step 6: Final answer
    x = 110,898.90

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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.