Home / 322,556.25-445,142.82-179,318.69

Finding the Fourth Proportional to 322,556.25, 445,142.82 and 179,318.69

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Solution

The fourth proportional to 322,556.25, 445,142.82 and 179,318.69 is: 247,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,556.25 : 445,142.82 = 179,318.69 : x
  2. Step 2: Convert to fraction form
    322,556.25/445,142.82 = 179,318.69/x
  3. Step 3: Cross multiply
    322,556.25x = 445,142.82 × 179,318.69
  4. Step 4: Simplify right side
    322,556.25x = 79,822,427,345.31
  5. Step 5: Solve for x
    x = 79,822,427,345.31/322,556.25
  6. Step 6: Final answer
    x = 247,468.24

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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.