Home / 179,604.20-269,438.70-90,633.80

Finding the Fourth Proportional to 179,604.20, 269,438.70 and 90,633.80

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Solution

The fourth proportional to 179,604.20, 269,438.70 and 90,633.80 is: 135,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,604.20 : 269,438.70 = 90,633.80 : x
  2. Step 2: Convert to fraction form
    179,604.20/269,438.70 = 90,633.80/x
  3. Step 3: Cross multiply
    179,604.20x = 269,438.70 × 90,633.80
  4. Step 4: Simplify right side
    179,604.20x = 24,420,253,248.06
  5. Step 5: Solve for x
    x = 24,420,253,248.06/179,604.20
  6. Step 6: Final answer
    x = 135,967.05

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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.