Home / 100,882.68-151,187.94-38,519.16

Finding the Fourth Proportional to 100,882.68, 151,187.94 and 38,519.16

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Solution

The fourth proportional to 100,882.68, 151,187.94 and 38,519.16 is: 57,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,882.68 : 151,187.94 = 38,519.16 : x
  2. Step 2: Convert to fraction form
    100,882.68/151,187.94 = 38,519.16/x
  3. Step 3: Cross multiply
    100,882.68x = 151,187.94 × 38,519.16
  4. Step 4: Simplify right side
    100,882.68x = 5,823,632,450.93
  5. Step 5: Solve for x
    x = 5,823,632,450.93/100,882.68
  6. Step 6: Final answer
    x = 57,726.78

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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.