Home / 204,508.27-306,812.13-69,581.32

Finding the Fourth Proportional to 204,508.27, 306,812.13 and 69,581.32

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Solution

The fourth proportional to 204,508.27, 306,812.13 and 69,581.32 is: 104,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,508.27 : 306,812.13 = 69,581.32 : x
  2. Step 2: Convert to fraction form
    204,508.27/306,812.13 = 69,581.32/x
  3. Step 3: Cross multiply
    204,508.27x = 306,812.13 × 69,581.32
  4. Step 4: Simplify right side
    204,508.27x = 21,348,392,997.41
  5. Step 5: Solve for x
    x = 21,348,392,997.41/204,508.27
  6. Step 6: Final answer
    x = 104,388.90

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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.