Home / 143,614.92-198,196.44-79,951.32

Finding the Fourth Proportional to 143,614.92, 198,196.44 and 79,951.32

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Solution

The fourth proportional to 143,614.92, 198,196.44 and 79,951.32 is: 110,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,614.92 : 198,196.44 = 79,951.32 : x
  2. Step 2: Convert to fraction form
    143,614.92/198,196.44 = 79,951.32/x
  3. Step 3: Cross multiply
    143,614.92x = 198,196.44 × 79,951.32
  4. Step 4: Simplify right side
    143,614.92x = 15,846,066,997.30
  5. Step 5: Solve for x
    x = 15,846,066,997.30/143,614.92
  6. Step 6: Final answer
    x = 110,337.19

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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.