Home / 204,664.56-306,981.92-64,463.28

Finding the Fourth Proportional to 204,664.56, 306,981.92 and 64,463.28

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Solution

The fourth proportional to 204,664.56, 306,981.92 and 64,463.28 is: 96,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,664.56 : 306,981.92 = 64,463.28 : x
  2. Step 2: Convert to fraction form
    204,664.56/306,981.92 = 64,463.28/x
  3. Step 3: Cross multiply
    204,664.56x = 306,981.92 × 64,463.28
  4. Step 4: Simplify right side
    204,664.56x = 19,789,061,463.90
  5. Step 5: Solve for x
    x = 19,789,061,463.90/204,664.56
  6. Step 6: Final answer
    x = 96,690.22

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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.