Home / 121,176.06-181,481.94-116,972.16

Finding the Fourth Proportional to 121,176.06, 181,481.94 and 116,972.16

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Solution

The fourth proportional to 121,176.06, 181,481.94 and 116,972.16 is: 175,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,176.06 : 181,481.94 = 116,972.16 : x
  2. Step 2: Convert to fraction form
    121,176.06/181,481.94 = 116,972.16/x
  3. Step 3: Cross multiply
    121,176.06x = 181,481.94 × 116,972.16
  4. Step 4: Simplify right side
    121,176.06x = 21,228,334,522.79
  5. Step 5: Solve for x
    x = 21,228,334,522.79/121,176.06
  6. Step 6: Final answer
    x = 175,185.88

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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.