Home / 129,986.72-194,986.98-41,247.16

Finding the Fourth Proportional to 129,986.72, 194,986.98 and 41,247.16

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Solution

The fourth proportional to 129,986.72, 194,986.98 and 41,247.16 is: 61,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,986.72 : 194,986.98 = 41,247.16 : x
  2. Step 2: Convert to fraction form
    129,986.72/194,986.98 = 41,247.16/x
  3. Step 3: Cross multiply
    129,986.72x = 194,986.98 × 41,247.16
  4. Step 4: Simplify right side
    129,986.72x = 8,042,659,161.98
  5. Step 5: Solve for x
    x = 8,042,659,161.98/129,986.72
  6. Step 6: Final answer
    x = 61,872.93

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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.