Home / 129,686.84-194,617.74-50,791.24

Finding the Fourth Proportional to 129,686.84, 194,617.74 and 50,791.24

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Solution

The fourth proportional to 129,686.84, 194,617.74 and 50,791.24 is: 76,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,686.84 : 194,617.74 = 50,791.24 : x
  2. Step 2: Convert to fraction form
    129,686.84/194,617.74 = 50,791.24/x
  3. Step 3: Cross multiply
    129,686.84x = 194,617.74 × 50,791.24
  4. Step 4: Simplify right side
    129,686.84x = 9,884,876,340.60
  5. Step 5: Solve for x
    x = 9,884,876,340.60/129,686.84
  6. Step 6: Final answer
    x = 76,221.12

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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.