Home / 129,164.85-193,761.41-43,837.30

Finding the Fourth Proportional to 129,164.85, 193,761.41 and 43,837.30

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Solution

The fourth proportional to 129,164.85, 193,761.41 and 43,837.30 is: 65,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,164.85 : 193,761.41 = 43,837.30 : x
  2. Step 2: Convert to fraction form
    129,164.85/193,761.41 = 43,837.30/x
  3. Step 3: Cross multiply
    129,164.85x = 193,761.41 × 43,837.30
  4. Step 4: Simplify right side
    129,164.85x = 8,493,977,081.61
  5. Step 5: Solve for x
    x = 8,493,977,081.61/129,164.85
  6. Step 6: Final answer
    x = 65,760.75

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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.