Home / 204,140.29-281,729.37-122,471.61

Finding the Fourth Proportional to 204,140.29, 281,729.37 and 122,471.61

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Solution

The fourth proportional to 204,140.29, 281,729.37 and 122,471.61 is: 169,020.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,140.29 : 281,729.37 = 122,471.61 : x
  2. Step 2: Convert to fraction form
    204,140.29/281,729.37 = 122,471.61/x
  3. Step 3: Cross multiply
    204,140.29x = 281,729.37 × 122,471.61
  4. Step 4: Simplify right side
    204,140.29x = 34,503,848,915.83
  5. Step 5: Solve for x
    x = 34,503,848,915.83/204,140.29
  6. Step 6: Final answer
    x = 169,020.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.