Home / 143,544.38-198,091.24-79,882.22

Finding the Fourth Proportional to 143,544.38, 198,091.24 and 79,882.22

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Solution

The fourth proportional to 143,544.38, 198,091.24 and 79,882.22 is: 110,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,544.38 : 198,091.24 = 79,882.22 : x
  2. Step 2: Convert to fraction form
    143,544.38/198,091.24 = 79,882.22/x
  3. Step 3: Cross multiply
    143,544.38x = 198,091.24 × 79,882.22
  4. Step 4: Simplify right side
    143,544.38x = 15,823,968,309.28
  5. Step 5: Solve for x
    x = 15,823,968,309.28/143,544.38
  6. Step 6: Final answer
    x = 110,237.47

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1.5x scale

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.