Home / 131,576.69-197,377.54-36,806.89

Finding the Fourth Proportional to 131,576.69, 197,377.54 and 36,806.89

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Solution

The fourth proportional to 131,576.69, 197,377.54 and 36,806.89 is: 55,213.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,576.69 : 197,377.54 = 36,806.89 : x
  2. Step 2: Convert to fraction form
    131,576.69/197,377.54 = 36,806.89/x
  3. Step 3: Cross multiply
    131,576.69x = 197,377.54 × 36,806.89
  4. Step 4: Simplify right side
    131,576.69x = 7,264,853,403.25
  5. Step 5: Solve for x
    x = 7,264,853,403.25/131,576.69
  6. Step 6: Final answer
    x = 55,213.83

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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.