Home / 129,906.56-194,872.26-36,412.04

Finding the Fourth Proportional to 129,906.56, 194,872.26 and 36,412.04

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Solution

The fourth proportional to 129,906.56, 194,872.26 and 36,412.04 is: 54,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,906.56 : 194,872.26 = 36,412.04 : x
  2. Step 2: Convert to fraction form
    129,906.56/194,872.26 = 36,412.04/x
  3. Step 3: Cross multiply
    129,906.56x = 194,872.26 × 36,412.04
  4. Step 4: Simplify right side
    129,906.56x = 7,095,695,551.65
  5. Step 5: Solve for x
    x = 7,095,695,551.65/129,906.56
  6. Step 6: Final answer
    x = 54,621.54

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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.