Home / 179,197.20-268,828.20-90,226.80

Finding the Fourth Proportional to 179,197.20, 268,828.20 and 90,226.80

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Solution

The fourth proportional to 179,197.20, 268,828.20 and 90,226.80 is: 135,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,197.20 : 268,828.20 = 90,226.80 : x
  2. Step 2: Convert to fraction form
    179,197.20/268,828.20 = 90,226.80/x
  3. Step 3: Cross multiply
    179,197.20x = 268,828.20 × 90,226.80
  4. Step 4: Simplify right side
    179,197.20x = 24,255,508,235.76
  5. Step 5: Solve for x
    x = 24,255,508,235.76/179,197.20
  6. Step 6: Final answer
    x = 135,356.51

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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.