Home / 161,108.38-241,665-55,930.69

Finding the Fourth Proportional to 161,108.38, 241,665 and 55,930.69

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Solution

The fourth proportional to 161,108.38, 241,665 and 55,930.69 is: 83,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,108.38 : 241,665 = 55,930.69 : x
  2. Step 2: Convert to fraction form
    161,108.38/241,665 = 55,930.69/x
  3. Step 3: Cross multiply
    161,108.38x = 241,665 × 55,930.69
  4. Step 4: Simplify right side
    161,108.38x = 13,516,490,198.85
  5. Step 5: Solve for x
    x = 13,516,490,198.85/161,108.38
  6. Step 6: Final answer
    x = 83,896.88

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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.