Home / 129,984.60-194,983.92-41,245.20

Finding the Fourth Proportional to 129,984.60, 194,983.92 and 41,245.20

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Solution

The fourth proportional to 129,984.60, 194,983.92 and 41,245.20 is: 61,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,984.60 : 194,983.92 = 41,245.20 : x
  2. Step 2: Convert to fraction form
    129,984.60/194,983.92 = 41,245.20/x
  3. Step 3: Cross multiply
    129,984.60x = 194,983.92 × 41,245.20
  4. Step 4: Simplify right side
    129,984.60x = 8,042,150,777.18
  5. Step 5: Solve for x
    x = 8,042,150,777.18/129,984.60
  6. Step 6: Final answer
    x = 61,870.03

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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.