Home / 322,623.90-445,197.84-177,439.76

Finding the Fourth Proportional to 322,623.90, 445,197.84 and 177,439.76

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Solution

The fourth proportional to 322,623.90, 445,197.84 and 177,439.76 is: 244,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,623.90 : 445,197.84 = 177,439.76 : x
  2. Step 2: Convert to fraction form
    322,623.90/445,197.84 = 177,439.76/x
  3. Step 3: Cross multiply
    322,623.90x = 445,197.84 × 177,439.76
  4. Step 4: Simplify right side
    322,623.90x = 78,995,796,905.25
  5. Step 5: Solve for x
    x = 78,995,796,905.25/322,623.90
  6. Step 6: Final answer
    x = 244,854.14

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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.