Home / 297,098.43-409,993.97-161,135.61

Finding the Fourth Proportional to 297,098.43, 409,993.97 and 161,135.61

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Solution

The fourth proportional to 297,098.43, 409,993.97 and 161,135.61 is: 222,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,098.43 : 409,993.97 = 161,135.61 : x
  2. Step 2: Convert to fraction form
    297,098.43/409,993.97 = 161,135.61/x
  3. Step 3: Cross multiply
    297,098.43x = 409,993.97 × 161,135.61
  4. Step 4: Simplify right side
    297,098.43x = 66,064,627,646.59
  5. Step 5: Solve for x
    x = 66,064,627,646.59/297,098.43
  6. Step 6: Final answer
    x = 222,366.13

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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.