Home / 327,575.73-491,363.43-90,918.35

Finding the Fourth Proportional to 327,575.73, 491,363.43 and 90,918.35

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Solution

The fourth proportional to 327,575.73, 491,363.43 and 90,918.35 is: 136,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,575.73 : 491,363.43 = 90,918.35 : x
  2. Step 2: Convert to fraction form
    327,575.73/491,363.43 = 90,918.35/x
  3. Step 3: Cross multiply
    327,575.73x = 491,363.43 × 90,918.35
  4. Step 4: Simplify right side
    327,575.73x = 44,673,949,849.12
  5. Step 5: Solve for x
    x = 44,673,949,849.12/327,575.73
  6. Step 6: Final answer
    x = 136,377.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.