Home / 322,724.48-445,353.43-179,481.45

Finding the Fourth Proportional to 322,724.48, 445,353.43 and 179,481.45

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Solution

The fourth proportional to 322,724.48, 445,353.43 and 179,481.45 is: 247,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,724.48 : 445,353.43 = 179,481.45 : x
  2. Step 2: Convert to fraction form
    322,724.48/445,353.43 = 179,481.45/x
  3. Step 3: Cross multiply
    322,724.48x = 445,353.43 × 179,481.45
  4. Step 4: Simplify right side
    322,724.48x = 79,932,679,378.87
  5. Step 5: Solve for x
    x = 79,932,679,378.87/322,724.48
  6. Step 6: Final answer
    x = 247,680.87

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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.