Home / 129,974.18-194,968.19-41,234.51

Finding the Fourth Proportional to 129,974.18, 194,968.19 and 41,234.51

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Solution

The fourth proportional to 129,974.18, 194,968.19 and 41,234.51 is: 61,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,974.18 : 194,968.19 = 41,234.51 : x
  2. Step 2: Convert to fraction form
    129,974.18/194,968.19 = 41,234.51/x
  3. Step 3: Cross multiply
    129,974.18x = 194,968.19 × 41,234.51
  4. Step 4: Simplify right side
    129,974.18x = 8,039,418,370.74
  5. Step 5: Solve for x
    x = 8,039,418,370.74/129,974.18
  6. Step 6: Final answer
    x = 61,853.97

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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.