Home / 256,154.13-383,788.26-199,245.60

Finding the Fourth Proportional to 256,154.13, 383,788.26 and 199,245.60

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Solution

The fourth proportional to 256,154.13, 383,788.26 and 199,245.60 is: 298,523.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,154.13 : 383,788.26 = 199,245.60 : x
  2. Step 2: Convert to fraction form
    256,154.13/383,788.26 = 199,245.60/x
  3. Step 3: Cross multiply
    256,154.13x = 383,788.26 × 199,245.60
  4. Step 4: Simplify right side
    256,154.13x = 76,468,122,136.66
  5. Step 5: Solve for x
    x = 76,468,122,136.66/256,154.13
  6. Step 6: Final answer
    x = 298,523.87

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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.