Home / 129,439.26-194,167.23-40,696.20

Finding the Fourth Proportional to 129,439.26, 194,167.23 and 40,696.20

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Solution

The fourth proportional to 129,439.26, 194,167.23 and 40,696.20 is: 61,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,439.26 : 194,167.23 = 40,696.20 : x
  2. Step 2: Convert to fraction form
    129,439.26/194,167.23 = 40,696.20/x
  3. Step 3: Cross multiply
    129,439.26x = 194,167.23 × 40,696.20
  4. Step 4: Simplify right side
    129,439.26x = 7,901,868,425.53
  5. Step 5: Solve for x
    x = 7,901,868,425.53/129,439.26
  6. Step 6: Final answer
    x = 61,046.92

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1.5x scale

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.