Home / 327,933.78-491,474.61-147,886.98

Finding the Fourth Proportional to 327,933.78, 491,474.61 and 147,886.98

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Solution

The fourth proportional to 327,933.78, 491,474.61 and 147,886.98 is: 221,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,933.78 : 491,474.61 = 147,886.98 : x
  2. Step 2: Convert to fraction form
    327,933.78/491,474.61 = 147,886.98/x
  3. Step 3: Cross multiply
    327,933.78x = 491,474.61 × 147,886.98
  4. Step 4: Simplify right side
    327,933.78x = 72,682,695,819.58
  5. Step 5: Solve for x
    x = 72,682,695,819.58/327,933.78
  6. Step 6: Final answer
    x = 221,638.33

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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.