Home / 119,786.09-179,305.30-88,231.78

Finding the Fourth Proportional to 119,786.09, 179,305.30 and 88,231.78

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Solution

The fourth proportional to 119,786.09, 179,305.30 and 88,231.78 is: 132,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,786.09 : 179,305.30 = 88,231.78 : x
  2. Step 2: Convert to fraction form
    119,786.09/179,305.30 = 88,231.78/x
  3. Step 3: Cross multiply
    119,786.09x = 179,305.30 × 88,231.78
  4. Step 4: Simplify right side
    119,786.09x = 15,820,425,620.55
  5. Step 5: Solve for x
    x = 15,820,425,620.55/119,786.09
  6. Step 6: Final answer
    x = 132,072.31

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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.