Home / 134,538.47-185,649.17-82,847.36

Finding the Fourth Proportional to 134,538.47, 185,649.17 and 82,847.36

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Solution

The fourth proportional to 134,538.47, 185,649.17 and 82,847.36 is: 114,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,538.47 : 185,649.17 = 82,847.36 : x
  2. Step 2: Convert to fraction form
    134,538.47/185,649.17 = 82,847.36/x
  3. Step 3: Cross multiply
    134,538.47x = 185,649.17 × 82,847.36
  4. Step 4: Simplify right side
    134,538.47x = 15,380,542,626.30
  5. Step 5: Solve for x
    x = 15,380,542,626.30/134,538.47
  6. Step 6: Final answer
    x = 114,320.78

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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.