Home / 123,257.16-184,989.42-115,481.16

Finding the Fourth Proportional to 123,257.16, 184,989.42 and 115,481.16

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Solution

The fourth proportional to 123,257.16, 184,989.42 and 115,481.16 is: 173,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,257.16 : 184,989.42 = 115,481.16 : x
  2. Step 2: Convert to fraction form
    123,257.16/184,989.42 = 115,481.16/x
  3. Step 3: Cross multiply
    123,257.16x = 184,989.42 × 115,481.16
  4. Step 4: Simplify right side
    123,257.16x = 21,362,792,809.33
  5. Step 5: Solve for x
    x = 21,362,792,809.33/123,257.16
  6. Step 6: Final answer
    x = 173,318.88

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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.