Home / 479,241.30-718,738.88-142,202.24

Finding the Fourth Proportional to 479,241.30, 718,738.88 and 142,202.24

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Solution

The fourth proportional to 479,241.30, 718,738.88 and 142,202.24 is: 213,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,241.30 : 718,738.88 = 142,202.24 : x
  2. Step 2: Convert to fraction form
    479,241.30/718,738.88 = 142,202.24/x
  3. Step 3: Cross multiply
    479,241.30x = 718,738.88 × 142,202.24
  4. Step 4: Simplify right side
    479,241.30x = 102,206,278,711.09
  5. Step 5: Solve for x
    x = 102,206,278,711.09/479,241.30
  6. Step 6: Final answer
    x = 213,266.84

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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.