Home / 327,115.78-451,422.27-181,923.60

Finding the Fourth Proportional to 327,115.78, 451,422.27 and 181,923.60

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Solution

The fourth proportional to 327,115.78, 451,422.27 and 181,923.60 is: 251,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,115.78 : 451,422.27 = 181,923.60 : x
  2. Step 2: Convert to fraction form
    327,115.78/451,422.27 = 181,923.60/x
  3. Step 3: Cross multiply
    327,115.78x = 451,422.27 × 181,923.60
  4. Step 4: Simplify right side
    327,115.78x = 82,124,364,478.57
  5. Step 5: Solve for x
    x = 82,124,364,478.57/327,115.78
  6. Step 6: Final answer
    x = 251,055.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.