Home / 331,042.32-456,847.20-187,823.76

Finding the Fourth Proportional to 331,042.32, 456,847.20 and 187,823.76

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Solution

The fourth proportional to 331,042.32, 456,847.20 and 187,823.76 is: 259,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,042.32 : 456,847.20 = 187,823.76 : x
  2. Step 2: Convert to fraction form
    331,042.32/456,847.20 = 187,823.76/x
  3. Step 3: Cross multiply
    331,042.32x = 456,847.20 × 187,823.76
  4. Step 4: Simplify right side
    331,042.32x = 85,806,758,849.47
  5. Step 5: Solve for x
    x = 85,806,758,849.47/331,042.32
  6. Step 6: Final answer
    x = 259,201.78

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1.5x scale

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.