Home / 322,579.44-445,138.86-179,335.80

Finding the Fourth Proportional to 322,579.44, 445,138.86 and 179,335.80

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Solution

The fourth proportional to 322,579.44, 445,138.86 and 179,335.80 is: 247,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,579.44 : 445,138.86 = 179,335.80 : x
  2. Step 2: Convert to fraction form
    322,579.44/445,138.86 = 179,335.80/x
  3. Step 3: Cross multiply
    322,579.44x = 445,138.86 × 179,335.80
  4. Step 4: Simplify right side
    322,579.44x = 79,829,333,569.19
  5. Step 5: Solve for x
    x = 79,829,333,569.19/322,579.44
  6. Step 6: Final answer
    x = 247,471.86

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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.