Home / 331,231.20-457,060.96-187,962.72

Finding the Fourth Proportional to 331,231.20, 457,060.96 and 187,962.72

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Solution

The fourth proportional to 331,231.20, 457,060.96 and 187,962.72 is: 259,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,231.20 : 457,060.96 = 187,962.72 : x
  2. Step 2: Convert to fraction form
    331,231.20/457,060.96 = 187,962.72/x
  3. Step 3: Cross multiply
    331,231.20x = 457,060.96 × 187,962.72
  4. Step 4: Simplify right side
    331,231.20x = 85,910,421,247.41
  5. Step 5: Solve for x
    x = 85,910,421,247.41/331,231.20
  6. Step 6: Final answer
    x = 259,366.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.