Home / 146,500.88-220,849.36-136,735.86

Finding the Fourth Proportional to 146,500.88, 220,849.36 and 136,735.86

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Solution

The fourth proportional to 146,500.88, 220,849.36 and 136,735.86 is: 206,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,500.88 : 220,849.36 = 136,735.86 : x
  2. Step 2: Convert to fraction form
    146,500.88/220,849.36 = 136,735.86/x
  3. Step 3: Cross multiply
    146,500.88x = 220,849.36 × 136,735.86
  4. Step 4: Simplify right side
    146,500.88x = 30,198,027,183.26
  5. Step 5: Solve for x
    x = 30,198,027,183.26/146,500.88
  6. Step 6: Final answer
    x = 206,128.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.