Home / 179,976.32-248,345.92-108,355.20

Finding the Fourth Proportional to 179,976.32, 248,345.92 and 108,355.20

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Solution

The fourth proportional to 179,976.32, 248,345.92 and 108,355.20 is: 149,517.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,976.32 : 248,345.92 = 108,355.20 : x
  2. Step 2: Convert to fraction form
    179,976.32/248,345.92 = 108,355.20/x
  3. Step 3: Cross multiply
    179,976.32x = 248,345.92 × 108,355.20
  4. Step 4: Simplify right side
    179,976.32x = 26,909,571,830.78
  5. Step 5: Solve for x
    x = 26,909,571,830.78/179,976.32
  6. Step 6: Final answer
    x = 149,517.29

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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.