Home / 327,521.54-491,282.43-117,146.90

Finding the Fourth Proportional to 327,521.54, 491,282.43 and 117,146.90

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Solution

The fourth proportional to 327,521.54, 491,282.43 and 117,146.90 is: 175,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,521.54 : 491,282.43 = 117,146.90 : x
  2. Step 2: Convert to fraction form
    327,521.54/491,282.43 = 117,146.90/x
  3. Step 3: Cross multiply
    327,521.54x = 491,282.43 × 117,146.90
  4. Step 4: Simplify right side
    327,521.54x = 57,552,213,698.97
  5. Step 5: Solve for x
    x = 57,552,213,698.97/327,521.54
  6. Step 6: Final answer
    x = 175,720.39

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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.