Home / 148,787.57-222,799.83-82,153.73

Finding the Fourth Proportional to 148,787.57, 222,799.83 and 82,153.73

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Solution

The fourth proportional to 148,787.57, 222,799.83 and 82,153.73 is: 123,019.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,787.57 : 222,799.83 = 82,153.73 : x
  2. Step 2: Convert to fraction form
    148,787.57/222,799.83 = 82,153.73/x
  3. Step 3: Cross multiply
    148,787.57x = 222,799.83 × 82,153.73
  4. Step 4: Simplify right side
    148,787.57x = 18,303,835,963.87
  5. Step 5: Solve for x
    x = 18,303,835,963.87/148,787.57
  6. Step 6: Final answer
    x = 123,019.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.