Home / 159,963.38-220,749.46-92,899.70

Finding the Fourth Proportional to 159,963.38, 220,749.46 and 92,899.70

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Solution

The fourth proportional to 159,963.38, 220,749.46 and 92,899.70 is: 128,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,963.38 : 220,749.46 = 92,899.70 : x
  2. Step 2: Convert to fraction form
    159,963.38/220,749.46 = 92,899.70/x
  3. Step 3: Cross multiply
    159,963.38x = 220,749.46 × 92,899.70
  4. Step 4: Simplify right side
    159,963.38x = 20,507,557,273.17
  5. Step 5: Solve for x
    x = 20,507,557,273.17/159,963.38
  6. Step 6: Final answer
    x = 128,201.58

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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.