Home / 204,222.79-281,852.02-123,635.49

Finding the Fourth Proportional to 204,222.79, 281,852.02 and 123,635.49

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Solution

The fourth proportional to 204,222.79, 281,852.02 and 123,635.49 is: 170,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,222.79 : 281,852.02 = 123,635.49 : x
  2. Step 2: Convert to fraction form
    204,222.79/281,852.02 = 123,635.49/x
  3. Step 3: Cross multiply
    204,222.79x = 281,852.02 × 123,635.49
  4. Step 4: Simplify right side
    204,222.79x = 34,846,912,600.19
  5. Step 5: Solve for x
    x = 34,846,912,600.19/204,222.79
  6. Step 6: Final answer
    x = 170,631.85

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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.