Home / 146,513.20-220,867.97-136,748.20

Finding the Fourth Proportional to 146,513.20, 220,867.97 and 136,748.20

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Solution

The fourth proportional to 146,513.20, 220,867.97 and 136,748.20 is: 206,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,513.20 : 220,867.97 = 136,748.20 : x
  2. Step 2: Convert to fraction form
    146,513.20/220,867.97 = 136,748.20/x
  3. Step 3: Cross multiply
    146,513.20x = 220,867.97 × 136,748.20
  4. Step 4: Simplify right side
    146,513.20x = 30,203,297,335.15
  5. Step 5: Solve for x
    x = 30,203,297,335.15/146,513.20
  6. Step 6: Final answer
    x = 206,147.28

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1.5x scale

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.