Home / 148,834.73-205,392.58-80,851.97

Finding the Fourth Proportional to 148,834.73, 205,392.58 and 80,851.97

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Solution

The fourth proportional to 148,834.73, 205,392.58 and 80,851.97 is: 111,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,834.73 : 205,392.58 = 80,851.97 : x
  2. Step 2: Convert to fraction form
    148,834.73/205,392.58 = 80,851.97/x
  3. Step 3: Cross multiply
    148,834.73x = 205,392.58 × 80,851.97
  4. Step 4: Simplify right side
    148,834.73x = 16,606,395,027.73
  5. Step 5: Solve for x
    x = 16,606,395,027.73/148,834.73
  6. Step 6: Final answer
    x = 111,576.07

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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.