Home / 131,576.45-197,377.17-36,806.65

Finding the Fourth Proportional to 131,576.45, 197,377.17 and 36,806.65

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Solution

The fourth proportional to 131,576.45, 197,377.17 and 36,806.65 is: 55,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,576.45 : 197,377.17 = 36,806.65 : x
  2. Step 2: Convert to fraction form
    131,576.45/197,377.17 = 36,806.65/x
  3. Step 3: Cross multiply
    131,576.45x = 197,377.17 × 36,806.65
  4. Step 4: Simplify right side
    131,576.45x = 7,264,791,920.74
  5. Step 5: Solve for x
    x = 7,264,791,920.74/131,576.45
  6. Step 6: Final answer
    x = 55,213.47

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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.