Home / 151,821.52-227,659.40-71,792.80

Finding the Fourth Proportional to 151,821.52, 227,659.40 and 71,792.80

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Solution

The fourth proportional to 151,821.52, 227,659.40 and 71,792.80 is: 107,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,821.52 : 227,659.40 = 71,792.80 : x
  2. Step 2: Convert to fraction form
    151,821.52/227,659.40 = 71,792.80/x
  3. Step 3: Cross multiply
    151,821.52x = 227,659.40 × 71,792.80
  4. Step 4: Simplify right side
    151,821.52x = 16,344,305,772.32
  5. Step 5: Solve for x
    x = 16,344,305,772.32/151,821.52
  6. Step 6: Final answer
    x = 107,654.74

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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.