Home / 243,813.41-336,315.38-161,027.90

Finding the Fourth Proportional to 243,813.41, 336,315.38 and 161,027.90

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Solution

The fourth proportional to 243,813.41, 336,315.38 and 161,027.90 is: 222,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,813.41 : 336,315.38 = 161,027.90 : x
  2. Step 2: Convert to fraction form
    243,813.41/336,315.38 = 161,027.90/x
  3. Step 3: Cross multiply
    243,813.41x = 336,315.38 × 161,027.90
  4. Step 4: Simplify right side
    243,813.41x = 54,156,156,892.39
  5. Step 5: Solve for x
    x = 54,156,156,892.39/243,813.41
  6. Step 6: Final answer
    x = 222,121.33

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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.