Home / 129,867.04-194,652.90-54,940.42

Finding the Fourth Proportional to 129,867.04, 194,652.90 and 54,940.42

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Solution

The fourth proportional to 129,867.04, 194,652.90 and 54,940.42 is: 82,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,867.04 : 194,652.90 = 54,940.42 : x
  2. Step 2: Convert to fraction form
    129,867.04/194,652.90 = 54,940.42/x
  3. Step 3: Cross multiply
    129,867.04x = 194,652.90 × 54,940.42
  4. Step 4: Simplify right side
    129,867.04x = 10,694,312,080.22
  5. Step 5: Solve for x
    x = 10,694,312,080.22/129,867.04
  6. Step 6: Final answer
    x = 82,348.16

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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.