Home / 129,065.28-193,568.73-49,074.71

Finding the Fourth Proportional to 129,065.28, 193,568.73 and 49,074.71

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Solution

The fourth proportional to 129,065.28, 193,568.73 and 49,074.71 is: 73,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,065.28 : 193,568.73 = 49,074.71 : x
  2. Step 2: Convert to fraction form
    129,065.28/193,568.73 = 49,074.71/x
  3. Step 3: Cross multiply
    129,065.28x = 193,568.73 × 49,074.71
  4. Step 4: Simplify right side
    129,065.28x = 9,499,328,321.97
  5. Step 5: Solve for x
    x = 9,499,328,321.97/129,065.28
  6. Step 6: Final answer
    x = 73,600.96

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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.