Home / 205,301.12-281,257.83-197,625.56

Finding the Fourth Proportional to 205,301.12, 281,257.83 and 197,625.56

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Solution

The fourth proportional to 205,301.12, 281,257.83 and 197,625.56 is: 270,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,301.12 : 281,257.83 = 197,625.56 : x
  2. Step 2: Convert to fraction form
    205,301.12/281,257.83 = 197,625.56/x
  3. Step 3: Cross multiply
    205,301.12x = 281,257.83 × 197,625.56
  4. Step 4: Simplify right side
    205,301.12x = 55,583,734,751.85
  5. Step 5: Solve for x
    x = 55,583,734,751.85/205,301.12
  6. Step 6: Final answer
    x = 270,742.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.