Home / 200,481.72-276,664.62-109,843.35

Finding the Fourth Proportional to 200,481.72, 276,664.62 and 109,843.35

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Solution

The fourth proportional to 200,481.72, 276,664.62 and 109,843.35 is: 151,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,481.72 : 276,664.62 = 109,843.35 : x
  2. Step 2: Convert to fraction form
    200,481.72/276,664.62 = 109,843.35/x
  3. Step 3: Cross multiply
    200,481.72x = 276,664.62 × 109,843.35
  4. Step 4: Simplify right side
    200,481.72x = 30,389,768,687.28
  5. Step 5: Solve for x
    x = 30,389,768,687.28/200,481.72
  6. Step 6: Final answer
    x = 151,583.74

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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.