Home / 198,305.84-273,537.42-117,676.28

Finding the Fourth Proportional to 198,305.84, 273,537.42 and 117,676.28

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Solution

The fourth proportional to 198,305.84, 273,537.42 and 117,676.28 is: 162,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,305.84 : 273,537.42 = 117,676.28 : x
  2. Step 2: Convert to fraction form
    198,305.84/273,537.42 = 117,676.28/x
  3. Step 3: Cross multiply
    198,305.84x = 273,537.42 × 117,676.28
  4. Step 4: Simplify right side
    198,305.84x = 32,188,866,026.40
  5. Step 5: Solve for x
    x = 32,188,866,026.40/198,305.84
  6. Step 6: Final answer
    x = 162,319.30

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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.