Home / 200,576.22-276,789.24-109,930.20

Finding the Fourth Proportional to 200,576.22, 276,789.24 and 109,930.20

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Solution

The fourth proportional to 200,576.22, 276,789.24 and 109,930.20 is: 151,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,576.22 : 276,789.24 = 109,930.20 : x
  2. Step 2: Convert to fraction form
    200,576.22/276,789.24 = 109,930.20/x
  3. Step 3: Cross multiply
    200,576.22x = 276,789.24 × 109,930.20
  4. Step 4: Simplify right side
    200,576.22x = 30,427,496,511.05
  5. Step 5: Solve for x
    x = 30,427,496,511.05/200,576.22
  6. Step 6: Final answer
    x = 151,700.42

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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.