Home / 106,360.56-146,793.78-80,825.31

Finding the Fourth Proportional to 106,360.56, 146,793.78 and 80,825.31

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Solution

The fourth proportional to 106,360.56, 146,793.78 and 80,825.31 is: 111,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,360.56 : 146,793.78 = 80,825.31 : x
  2. Step 2: Convert to fraction form
    106,360.56/146,793.78 = 80,825.31/x
  3. Step 3: Cross multiply
    106,360.56x = 146,793.78 × 80,825.31
  4. Step 4: Simplify right side
    106,360.56x = 11,864,652,774.57
  5. Step 5: Solve for x
    x = 11,864,652,774.57/106,360.56
  6. Step 6: Final answer
    x = 111,551.24

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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.