Home / 131,231.52-196,834.80-52,324.64

Finding the Fourth Proportional to 131,231.52, 196,834.80 and 52,324.64

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Solution

The fourth proportional to 131,231.52, 196,834.80 and 52,324.64 is: 78,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,231.52 : 196,834.80 = 52,324.64 : x
  2. Step 2: Convert to fraction form
    131,231.52/196,834.80 = 52,324.64/x
  3. Step 3: Cross multiply
    131,231.52x = 196,834.80 × 52,324.64
  4. Step 4: Simplify right side
    131,231.52x = 10,299,310,049.47
  5. Step 5: Solve for x
    x = 10,299,310,049.47/131,231.52
  6. Step 6: Final answer
    x = 78,481.98

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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.