Home / 179,431.44-269,138.19-67,103.37

Finding the Fourth Proportional to 179,431.44, 269,138.19 and 67,103.37

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Solution

The fourth proportional to 179,431.44, 269,138.19 and 67,103.37 is: 100,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,431.44 : 269,138.19 = 67,103.37 : x
  2. Step 2: Convert to fraction form
    179,431.44/269,138.19 = 67,103.37/x
  3. Step 3: Cross multiply
    179,431.44x = 269,138.19 × 67,103.37
  4. Step 4: Simplify right side
    179,431.44x = 18,060,079,544.70
  5. Step 5: Solve for x
    x = 18,060,079,544.70/179,431.44
  6. Step 6: Final answer
    x = 100,651.70

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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.