Home / 179,546.20-269,321.64-86,030.08

Finding the Fourth Proportional to 179,546.20, 269,321.64 and 86,030.08

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Solution

The fourth proportional to 179,546.20, 269,321.64 and 86,030.08 is: 129,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,546.20 : 269,321.64 = 86,030.08 : x
  2. Step 2: Convert to fraction form
    179,546.20/269,321.64 = 86,030.08/x
  3. Step 3: Cross multiply
    179,546.20x = 269,321.64 × 86,030.08
  4. Step 4: Simplify right side
    179,546.20x = 23,169,762,234.93
  5. Step 5: Solve for x
    x = 23,169,762,234.93/179,546.20
  6. Step 6: Final answer
    x = 129,046.24

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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.