Home / 327,906.03-491,432.97-147,859.23

Finding the Fourth Proportional to 327,906.03, 491,432.97 and 147,859.23

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Solution

The fourth proportional to 327,906.03, 491,432.97 and 147,859.23 is: 221,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,906.03 : 491,432.97 = 147,859.23 : x
  2. Step 2: Convert to fraction form
    327,906.03/491,432.97 = 147,859.23/x
  3. Step 3: Cross multiply
    327,906.03x = 491,432.97 × 147,859.23
  4. Step 4: Simplify right side
    327,906.03x = 72,662,900,540.81
  5. Step 5: Solve for x
    x = 72,662,900,540.81/327,906.03
  6. Step 6: Final answer
    x = 221,596.72

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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.