Home / 322,972.40-445,695.90-179,731.10

Finding the Fourth Proportional to 322,972.40, 445,695.90 and 179,731.10

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Solution

The fourth proportional to 322,972.40, 445,695.90 and 179,731.10 is: 248,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,972.40 : 445,695.90 = 179,731.10 : x
  2. Step 2: Convert to fraction form
    322,972.40/445,695.90 = 179,731.10/x
  3. Step 3: Cross multiply
    322,972.40x = 445,695.90 × 179,731.10
  4. Step 4: Simplify right side
    322,972.40x = 80,105,414,372.49
  5. Step 5: Solve for x
    x = 80,105,414,372.49/322,972.40
  6. Step 6: Final answer
    x = 248,025.57

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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.