Home / 322,584.40-445,141.24-179,335.72

Finding the Fourth Proportional to 322,584.40, 445,141.24 and 179,335.72

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Solution

The fourth proportional to 322,584.40, 445,141.24 and 179,335.72 is: 247,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,584.40 : 445,141.24 = 179,335.72 : x
  2. Step 2: Convert to fraction form
    322,584.40/445,141.24 = 179,335.72/x
  3. Step 3: Cross multiply
    322,584.40x = 445,141.24 × 179,335.72
  4. Step 4: Simplify right side
    322,584.40x = 79,829,724,777.09
  5. Step 5: Solve for x
    x = 79,829,724,777.09/322,584.40
  6. Step 6: Final answer
    x = 247,469.27

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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.