Home / 188,082.38-259,558.22-103,199.38

Finding the Fourth Proportional to 188,082.38, 259,558.22 and 103,199.38

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Solution

The fourth proportional to 188,082.38, 259,558.22 and 103,199.38 is: 142,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,082.38 : 259,558.22 = 103,199.38 : x
  2. Step 2: Convert to fraction form
    188,082.38/259,558.22 = 103,199.38/x
  3. Step 3: Cross multiply
    188,082.38x = 259,558.22 × 103,199.38
  4. Step 4: Simplify right side
    188,082.38x = 26,786,247,377.90
  5. Step 5: Solve for x
    x = 26,786,247,377.90/188,082.38
  6. Step 6: Final answer
    x = 142,417.63

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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.