Home / 225,542.88-338,183.07-85,312.44

Finding the Fourth Proportional to 225,542.88, 338,183.07 and 85,312.44

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Solution

The fourth proportional to 225,542.88, 338,183.07 and 85,312.44 is: 127,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,542.88 : 338,183.07 = 85,312.44 : x
  2. Step 2: Convert to fraction form
    225,542.88/338,183.07 = 85,312.44/x
  3. Step 3: Cross multiply
    225,542.88x = 338,183.07 × 85,312.44
  4. Step 4: Simplify right side
    225,542.88x = 28,851,222,868.39
  5. Step 5: Solve for x
    x = 28,851,222,868.39/225,542.88
  6. Step 6: Final answer
    x = 127,919.01

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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.