Home / 204,942.38-307,442.34-71,792.16

Finding the Fourth Proportional to 204,942.38, 307,442.34 and 71,792.16

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Solution

The fourth proportional to 204,942.38, 307,442.34 and 71,792.16 is: 107,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,942.38 : 307,442.34 = 71,792.16 : x
  2. Step 2: Convert to fraction form
    204,942.38/307,442.34 = 71,792.16/x
  3. Step 3: Cross multiply
    204,942.38x = 307,442.34 × 71,792.16
  4. Step 4: Simplify right side
    204,942.38x = 22,071,949,664.05
  5. Step 5: Solve for x
    x = 22,071,949,664.05/204,942.38
  6. Step 6: Final answer
    x = 107,698.32

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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.