Home / 179,144.46-268,820.54-90,404.90

Finding the Fourth Proportional to 179,144.46, 268,820.54 and 90,404.90

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Solution

The fourth proportional to 179,144.46, 268,820.54 and 90,404.90 is: 135,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,144.46 : 268,820.54 = 90,404.90 : x
  2. Step 2: Convert to fraction form
    179,144.46/268,820.54 = 90,404.90/x
  3. Step 3: Cross multiply
    179,144.46x = 268,820.54 × 90,404.90
  4. Step 4: Simplify right side
    179,144.46x = 24,302,694,036.65
  5. Step 5: Solve for x
    x = 24,302,694,036.65/179,144.46
  6. Step 6: Final answer
    x = 135,659.76

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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.