Home / 185,474.56-278,260.44-80,268.88

Finding the Fourth Proportional to 185,474.56, 278,260.44 and 80,268.88

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Solution

The fourth proportional to 185,474.56, 278,260.44 and 80,268.88 is: 120,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,474.56 : 278,260.44 = 80,268.88 : x
  2. Step 2: Convert to fraction form
    185,474.56/278,260.44 = 80,268.88/x
  3. Step 3: Cross multiply
    185,474.56x = 278,260.44 × 80,268.88
  4. Step 4: Simplify right side
    185,474.56x = 22,335,653,867.11
  5. Step 5: Solve for x
    x = 22,335,653,867.11/185,474.56
  6. Step 6: Final answer
    x = 120,424.35

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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.