Home / 322,694.12-445,283.78-179,431.04

Finding the Fourth Proportional to 322,694.12, 445,283.78 and 179,431.04

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Solution

The fourth proportional to 322,694.12, 445,283.78 and 179,431.04 is: 247,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,694.12 : 445,283.78 = 179,431.04 : x
  2. Step 2: Convert to fraction form
    322,694.12/445,283.78 = 179,431.04/x
  3. Step 3: Cross multiply
    322,694.12x = 445,283.78 × 179,431.04
  4. Step 4: Simplify right side
    322,694.12x = 79,897,731,740.53
  5. Step 5: Solve for x
    x = 79,897,731,740.53/322,694.12
  6. Step 6: Final answer
    x = 247,595.87

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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.