Home / 129,828.47-194,771.88-41,087.30

Finding the Fourth Proportional to 129,828.47, 194,771.88 and 41,087.30

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Solution

The fourth proportional to 129,828.47, 194,771.88 and 41,087.30 is: 61,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,828.47 : 194,771.88 = 41,087.30 : x
  2. Step 2: Convert to fraction form
    129,828.47/194,771.88 = 41,087.30/x
  3. Step 3: Cross multiply
    129,828.47x = 194,771.88 × 41,087.30
  4. Step 4: Simplify right side
    129,828.47x = 8,002,649,691.26
  5. Step 5: Solve for x
    x = 8,002,649,691.26/129,828.47
  6. Step 6: Final answer
    x = 61,640.18

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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.