Home / 154,279.20-231,452.64-65,608.56

Finding the Fourth Proportional to 154,279.20, 231,452.64 and 65,608.56

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Solution

The fourth proportional to 154,279.20, 231,452.64 and 65,608.56 is: 98,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,279.20 : 231,452.64 = 65,608.56 : x
  2. Step 2: Convert to fraction form
    154,279.20/231,452.64 = 65,608.56/x
  3. Step 3: Cross multiply
    154,279.20x = 231,452.64 × 65,608.56
  4. Step 4: Simplify right side
    154,279.20x = 15,185,274,418.60
  5. Step 5: Solve for x
    x = 15,185,274,418.60/154,279.20
  6. Step 6: Final answer
    x = 98,427.23

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1.5x scale

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.