Home / 148,481.73-204,934.56-88,085.90

Finding the Fourth Proportional to 148,481.73, 204,934.56 and 88,085.90

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Solution

The fourth proportional to 148,481.73, 204,934.56 and 88,085.90 is: 121,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,481.73 : 204,934.56 = 88,085.90 : x
  2. Step 2: Convert to fraction form
    148,481.73/204,934.56 = 88,085.90/x
  3. Step 3: Cross multiply
    148,481.73x = 204,934.56 × 88,085.90
  4. Step 4: Simplify right side
    148,481.73x = 18,051,845,671.04
  5. Step 5: Solve for x
    x = 18,051,845,671.04/148,481.73
  6. Step 6: Final answer
    x = 121,576.21

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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.