Home / 129,171.56-193,742.94-44,917.16

Finding the Fourth Proportional to 129,171.56, 193,742.94 and 44,917.16

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Solution

The fourth proportional to 129,171.56, 193,742.94 and 44,917.16 is: 67,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,171.56 : 193,742.94 = 44,917.16 : x
  2. Step 2: Convert to fraction form
    129,171.56/193,742.94 = 44,917.16/x
  3. Step 3: Cross multiply
    129,171.56x = 193,742.94 × 44,917.16
  4. Step 4: Simplify right side
    129,171.56x = 8,702,382,634.85
  5. Step 5: Solve for x
    x = 8,702,382,634.85/129,171.56
  6. Step 6: Final answer
    x = 67,370.73

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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.