Home / 185,843.20-256,450.98-100,958.44

Finding the Fourth Proportional to 185,843.20, 256,450.98 and 100,958.44

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Solution

The fourth proportional to 185,843.20, 256,450.98 and 100,958.44 is: 139,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,843.20 : 256,450.98 = 100,958.44 : x
  2. Step 2: Convert to fraction form
    185,843.20/256,450.98 = 100,958.44/x
  3. Step 3: Cross multiply
    185,843.20x = 256,450.98 × 100,958.44
  4. Step 4: Simplify right side
    185,843.20x = 25,890,890,877.27
  5. Step 5: Solve for x
    x = 25,890,890,877.27/185,843.20
  6. Step 6: Final answer
    x = 139,315.78

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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.