Home / 256,716.24-384,992.43-88,195.92

Finding the Fourth Proportional to 256,716.24, 384,992.43 and 88,195.92

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Solution

The fourth proportional to 256,716.24, 384,992.43 and 88,195.92 is: 132,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,716.24 : 384,992.43 = 88,195.92 : x
  2. Step 2: Convert to fraction form
    256,716.24/384,992.43 = 88,195.92/x
  3. Step 3: Cross multiply
    256,716.24x = 384,992.43 × 88,195.92
  4. Step 4: Simplify right side
    256,716.24x = 33,954,761,556.89
  5. Step 5: Solve for x
    x = 33,954,761,556.89/256,716.24
  6. Step 6: Final answer
    x = 132,265.73

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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.