Home / 204,610.56-305,729.76-160,131.84

Finding the Fourth Proportional to 204,610.56, 305,729.76 and 160,131.84

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Solution

The fourth proportional to 204,610.56, 305,729.76 and 160,131.84 is: 239,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,610.56 : 305,729.76 = 160,131.84 : x
  2. Step 2: Convert to fraction form
    204,610.56/305,729.76 = 160,131.84/x
  3. Step 3: Cross multiply
    204,610.56x = 305,729.76 × 160,131.84
  4. Step 4: Simplify right side
    204,610.56x = 48,957,069,011.56
  5. Step 5: Solve for x
    x = 48,957,069,011.56/204,610.56
  6. Step 6: Final answer
    x = 239,269.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.