Home / 339,822.72-468,917.28-196,561.44

Finding the Fourth Proportional to 339,822.72, 468,917.28 and 196,561.44

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Solution

The fourth proportional to 339,822.72, 468,917.28 and 196,561.44 is: 271,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,822.72 : 468,917.28 = 196,561.44 : x
  2. Step 2: Convert to fraction form
    339,822.72/468,917.28 = 196,561.44/x
  3. Step 3: Cross multiply
    339,822.72x = 468,917.28 × 196,561.44
  4. Step 4: Simplify right side
    339,822.72x = 92,171,055,797.68
  5. Step 5: Solve for x
    x = 92,171,055,797.68/339,822.72
  6. Step 6: Final answer
    x = 271,232.76

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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.