Home / 134,963.31-202,569.51-68,450.16

Finding the Fourth Proportional to 134,963.31, 202,569.51 and 68,450.16

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Solution

The fourth proportional to 134,963.31, 202,569.51 and 68,450.16 is: 102,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,963.31 : 202,569.51 = 68,450.16 : x
  2. Step 2: Convert to fraction form
    134,963.31/202,569.51 = 68,450.16/x
  3. Step 3: Cross multiply
    134,963.31x = 202,569.51 × 68,450.16
  4. Step 4: Simplify right side
    134,963.31x = 13,865,915,370.62
  5. Step 5: Solve for x
    x = 13,865,915,370.62/134,963.31
  6. Step 6: Final answer
    x = 102,738.41

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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.