Home / 126,540.24-189,843.40-37,793.76

Finding the Fourth Proportional to 126,540.24, 189,843.40 and 37,793.76

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Solution

The fourth proportional to 126,540.24, 189,843.40 and 37,793.76 is: 56,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,540.24 : 189,843.40 = 37,793.76 : x
  2. Step 2: Convert to fraction form
    126,540.24/189,843.40 = 37,793.76/x
  3. Step 3: Cross multiply
    126,540.24x = 189,843.40 × 37,793.76
  4. Step 4: Simplify right side
    126,540.24x = 7,174,895,897.18
  5. Step 5: Solve for x
    x = 7,174,895,897.18/126,540.24
  6. Step 6: Final answer
    x = 56,700.51

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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.