Home / 129,789.77-194,600.96-50,911.97

Finding the Fourth Proportional to 129,789.77, 194,600.96 and 50,911.97

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Solution

The fourth proportional to 129,789.77, 194,600.96 and 50,911.97 is: 76,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,789.77 : 194,600.96 = 50,911.97 : x
  2. Step 2: Convert to fraction form
    129,789.77/194,600.96 = 50,911.97/x
  3. Step 3: Cross multiply
    129,789.77x = 194,600.96 × 50,911.97
  4. Step 4: Simplify right side
    129,789.77x = 9,907,517,982.93
  5. Step 5: Solve for x
    x = 9,907,517,982.93/129,789.77
  6. Step 6: Final answer
    x = 76,335.12

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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.