Home / 129,422.88-194,195.52-54,560.16

Finding the Fourth Proportional to 129,422.88, 194,195.52 and 54,560.16

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Solution

The fourth proportional to 129,422.88, 194,195.52 and 54,560.16 is: 81,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,422.88 : 194,195.52 = 54,560.16 : x
  2. Step 2: Convert to fraction form
    129,422.88/194,195.52 = 54,560.16/x
  3. Step 3: Cross multiply
    129,422.88x = 194,195.52 × 54,560.16
  4. Step 4: Simplify right side
    129,422.88x = 10,595,338,642.48
  5. Step 5: Solve for x
    x = 10,595,338,642.48/129,422.88
  6. Step 6: Final answer
    x = 81,866.04

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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.