Home / 129,757.16-194,618.96-41,019.60

Finding the Fourth Proportional to 129,757.16, 194,618.96 and 41,019.60

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Solution

The fourth proportional to 129,757.16, 194,618.96 and 41,019.60 is: 61,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,757.16 : 194,618.96 = 41,019.60 : x
  2. Step 2: Convert to fraction form
    129,757.16/194,618.96 = 41,019.60/x
  3. Step 3: Cross multiply
    129,757.16x = 194,618.96 × 41,019.60
  4. Step 4: Simplify right side
    129,757.16x = 7,983,191,891.62
  5. Step 5: Solve for x
    x = 7,983,191,891.62/129,757.16
  6. Step 6: Final answer
    x = 61,524.10

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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.