Home / 148,141.09-204,435.26-136,839.43

Finding the Fourth Proportional to 148,141.09, 204,435.26 and 136,839.43

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Solution

The fourth proportional to 148,141.09, 204,435.26 and 136,839.43 is: 188,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,141.09 : 204,435.26 = 136,839.43 : x
  2. Step 2: Convert to fraction form
    148,141.09/204,435.26 = 136,839.43/x
  3. Step 3: Cross multiply
    148,141.09x = 204,435.26 × 136,839.43
  4. Step 4: Simplify right side
    148,141.09x = 27,974,804,450.30
  5. Step 5: Solve for x
    x = 27,974,804,450.30/148,141.09
  6. Step 6: Final answer
    x = 188,838.93

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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.