Home / 109,593.97-151,344.13-103,623.38

Finding the Fourth Proportional to 109,593.97, 151,344.13 and 103,623.38

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Solution

The fourth proportional to 109,593.97, 151,344.13 and 103,623.38 is: 143,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,593.97 : 151,344.13 = 103,623.38 : x
  2. Step 2: Convert to fraction form
    109,593.97/151,344.13 = 103,623.38/x
  3. Step 3: Cross multiply
    109,593.97x = 151,344.13 × 103,623.38
  4. Step 4: Simplify right side
    109,593.97x = 15,682,789,796.10
  5. Step 5: Solve for x
    x = 15,682,789,796.10/109,593.97
  6. Step 6: Final answer
    x = 143,099.02

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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.