Home / 274,631.28-411,796.75-218,068.52

Finding the Fourth Proportional to 274,631.28, 411,796.75 and 218,068.52

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Solution

The fourth proportional to 274,631.28, 411,796.75 and 218,068.52 is: 326,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,631.28 : 411,796.75 = 218,068.52 : x
  2. Step 2: Convert to fraction form
    274,631.28/411,796.75 = 218,068.52/x
  3. Step 3: Cross multiply
    274,631.28x = 411,796.75 × 218,068.52
  4. Step 4: Simplify right side
    274,631.28x = 89,799,906,753.39
  5. Step 5: Solve for x
    x = 89,799,906,753.39/274,631.28
  6. Step 6: Final answer
    x = 326,983.54

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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.