Home / 322,621.92-445,215.78-179,380.71

Finding the Fourth Proportional to 322,621.92, 445,215.78 and 179,380.71

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Solution

The fourth proportional to 322,621.92, 445,215.78 and 179,380.71 is: 247,544.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,621.92 : 445,215.78 = 179,380.71 : x
  2. Step 2: Convert to fraction form
    322,621.92/445,215.78 = 179,380.71/x
  3. Step 3: Cross multiply
    322,621.92x = 445,215.78 × 179,380.71
  4. Step 4: Simplify right side
    322,621.92x = 79,863,122,719.60
  5. Step 5: Solve for x
    x = 79,863,122,719.60/322,621.92
  6. Step 6: Final answer
    x = 247,544.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.