Home / 185,694.12-278,508.24-84,468.60

Finding the Fourth Proportional to 185,694.12, 278,508.24 and 84,468.60

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Solution

The fourth proportional to 185,694.12, 278,508.24 and 84,468.60 is: 126,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,694.12 : 278,508.24 = 84,468.60 : x
  2. Step 2: Convert to fraction form
    185,694.12/278,508.24 = 84,468.60/x
  3. Step 3: Cross multiply
    185,694.12x = 278,508.24 × 84,468.60
  4. Step 4: Simplify right side
    185,694.12x = 23,525,201,121.26
  5. Step 5: Solve for x
    x = 23,525,201,121.26/185,694.12
  6. Step 6: Final answer
    x = 126,687.92

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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.