Home / 135,496.68-203,441.85-100,067.28

Finding the Fourth Proportional to 135,496.68, 203,441.85 and 100,067.28

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Solution

The fourth proportional to 135,496.68, 203,441.85 and 100,067.28 is: 150,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,496.68 : 203,441.85 = 100,067.28 : x
  2. Step 2: Convert to fraction form
    135,496.68/203,441.85 = 100,067.28/x
  3. Step 3: Cross multiply
    135,496.68x = 203,441.85 × 100,067.28
  4. Step 4: Simplify right side
    135,496.68x = 20,357,872,567.67
  5. Step 5: Solve for x
    x = 20,357,872,567.67/135,496.68
  6. Step 6: Final answer
    x = 150,246.28

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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.