Home / 199,997.25-276,013.20-113,982.54

Finding the Fourth Proportional to 199,997.25, 276,013.20 and 113,982.54

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Solution

The fourth proportional to 199,997.25, 276,013.20 and 113,982.54 is: 157,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,997.25 : 276,013.20 = 113,982.54 : x
  2. Step 2: Convert to fraction form
    199,997.25/276,013.20 = 113,982.54/x
  3. Step 3: Cross multiply
    199,997.25x = 276,013.20 × 113,982.54
  4. Step 4: Simplify right side
    199,997.25x = 31,460,685,609.53
  5. Step 5: Solve for x
    x = 31,460,685,609.53/199,997.25
  6. Step 6: Final answer
    x = 157,305.59

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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.