Home / 179,577.38-269,364.29-68,769.38

Finding the Fourth Proportional to 179,577.38, 269,364.29 and 68,769.38

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Solution

The fourth proportional to 179,577.38, 269,364.29 and 68,769.38 is: 103,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,577.38 : 269,364.29 = 68,769.38 : x
  2. Step 2: Convert to fraction form
    179,577.38/269,364.29 = 68,769.38/x
  3. Step 3: Cross multiply
    179,577.38x = 269,364.29 × 68,769.38
  4. Step 4: Simplify right side
    179,577.38x = 18,524,015,217.44
  5. Step 5: Solve for x
    x = 18,524,015,217.44/179,577.38
  6. Step 6: Final answer
    x = 103,153.39

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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.