Home / 141,934.26-195,872.10-91,720.74

Finding the Fourth Proportional to 141,934.26, 195,872.10 and 91,720.74

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Solution

The fourth proportional to 141,934.26, 195,872.10 and 91,720.74 is: 126,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,934.26 : 195,872.10 = 91,720.74 : x
  2. Step 2: Convert to fraction form
    141,934.26/195,872.10 = 91,720.74/x
  3. Step 3: Cross multiply
    141,934.26x = 195,872.10 × 91,720.74
  4. Step 4: Simplify right side
    141,934.26x = 17,965,533,957.35
  5. Step 5: Solve for x
    x = 17,965,533,957.35/141,934.26
  6. Step 6: Final answer
    x = 126,576.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.