Home / 129,366.57-194,080.98-54,508.13

Finding the Fourth Proportional to 129,366.57, 194,080.98 and 54,508.13

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Solution

The fourth proportional to 129,366.57, 194,080.98 and 54,508.13 is: 81,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,366.57 : 194,080.98 = 54,508.13 : x
  2. Step 2: Convert to fraction form
    129,366.57/194,080.98 = 54,508.13/x
  3. Step 3: Cross multiply
    129,366.57x = 194,080.98 × 54,508.13
  4. Step 4: Simplify right side
    129,366.57x = 10,578,990,317.96
  5. Step 5: Solve for x
    x = 10,578,990,317.96/129,366.57
  6. Step 6: Final answer
    x = 81,775.30

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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.