Home / 151,659.20-227,634.60-76,863.80

Finding the Fourth Proportional to 151,659.20, 227,634.60 and 76,863.80

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Solution

The fourth proportional to 151,659.20, 227,634.60 and 76,863.80 is: 115,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,659.20 : 227,634.60 = 76,863.80 : x
  2. Step 2: Convert to fraction form
    151,659.20/227,634.60 = 76,863.80/x
  3. Step 3: Cross multiply
    151,659.20x = 227,634.60 × 76,863.80
  4. Step 4: Simplify right side
    151,659.20x = 17,496,860,367.48
  5. Step 5: Solve for x
    x = 17,496,860,367.48/151,659.20
  6. Step 6: Final answer
    x = 115,369.59

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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.