Home / 106,238.16-159,149.88-82,754.64

Finding the Fourth Proportional to 106,238.16, 159,149.88 and 82,754.64

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Solution

The fourth proportional to 106,238.16, 159,149.88 and 82,754.64 is: 123,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,238.16 : 159,149.88 = 82,754.64 : x
  2. Step 2: Convert to fraction form
    106,238.16/159,149.88 = 82,754.64/x
  3. Step 3: Cross multiply
    106,238.16x = 159,149.88 × 82,754.64
  4. Step 4: Simplify right side
    106,238.16x = 13,170,391,025.44
  5. Step 5: Solve for x
    x = 13,170,391,025.44/106,238.16
  6. Step 6: Final answer
    x = 123,970.44

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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.