Home / 263,418.76-363,523.44-155,949.58

Finding the Fourth Proportional to 263,418.76, 363,523.44 and 155,949.58

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Solution

The fourth proportional to 263,418.76, 363,523.44 and 155,949.58 is: 215,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,418.76 : 363,523.44 = 155,949.58 : x
  2. Step 2: Convert to fraction form
    263,418.76/363,523.44 = 155,949.58/x
  3. Step 3: Cross multiply
    263,418.76x = 363,523.44 × 155,949.58
  4. Step 4: Simplify right side
    263,418.76x = 56,691,327,788.16
  5. Step 5: Solve for x
    x = 56,691,327,788.16/263,418.76
  6. Step 6: Final answer
    x = 215,213.71

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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.