Home / 322,555.94-445,142.39-179,318.38

Finding the Fourth Proportional to 322,555.94, 445,142.39 and 179,318.38

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Solution

The fourth proportional to 322,555.94, 445,142.39 and 179,318.38 is: 247,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,555.94 : 445,142.39 = 179,318.38 : x
  2. Step 2: Convert to fraction form
    322,555.94/445,142.39 = 179,318.38/x
  3. Step 3: Cross multiply
    322,555.94x = 445,142.39 × 179,318.38
  4. Step 4: Simplify right side
    322,555.94x = 79,822,212,244.13
  5. Step 5: Solve for x
    x = 79,822,212,244.13/322,555.94
  6. Step 6: Final answer
    x = 247,467.81

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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.