Home / 327,936.22-491,478.26-147,889.42

Finding the Fourth Proportional to 327,936.22, 491,478.26 and 147,889.42

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Solution

The fourth proportional to 327,936.22, 491,478.26 and 147,889.42 is: 221,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,936.22 : 491,478.26 = 147,889.42 : x
  2. Step 2: Convert to fraction form
    327,936.22/491,478.26 = 147,889.42/x
  3. Step 3: Cross multiply
    327,936.22x = 491,478.26 × 147,889.42
  4. Step 4: Simplify right side
    327,936.22x = 72,684,432,845.87
  5. Step 5: Solve for x
    x = 72,684,432,845.87/327,936.22
  6. Step 6: Final answer
    x = 221,641.98

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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.