Home / 202,721.33-279,761.27-112,083.14

Finding the Fourth Proportional to 202,721.33, 279,761.27 and 112,083.14

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Solution

The fourth proportional to 202,721.33, 279,761.27 and 112,083.14 is: 154,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,721.33 : 279,761.27 = 112,083.14 : x
  2. Step 2: Convert to fraction form
    202,721.33/279,761.27 = 112,083.14/x
  3. Step 3: Cross multiply
    202,721.33x = 279,761.27 × 112,083.14
  4. Step 4: Simplify right side
    202,721.33x = 31,356,522,361.44
  5. Step 5: Solve for x
    x = 31,356,522,361.44/202,721.33
  6. Step 6: Final answer
    x = 154,677.97

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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.