Home / 199,813.44-275,456.52-123,281.40

Finding the Fourth Proportional to 199,813.44, 275,456.52 and 123,281.40

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Solution

The fourth proportional to 199,813.44, 275,456.52 and 123,281.40 is: 169,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,813.44 : 275,456.52 = 123,281.40 : x
  2. Step 2: Convert to fraction form
    199,813.44/275,456.52 = 123,281.40/x
  3. Step 3: Cross multiply
    199,813.44x = 275,456.52 × 123,281.40
  4. Step 4: Simplify right side
    199,813.44x = 33,958,665,424.73
  5. Step 5: Solve for x
    x = 33,958,665,424.73/199,813.44
  6. Step 6: Final answer
    x = 169,951.86

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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.