Home / 126,082.74-188,201.22-111,136.41

Finding the Fourth Proportional to 126,082.74, 188,201.22 and 111,136.41

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Solution

The fourth proportional to 126,082.74, 188,201.22 and 111,136.41 is: 165,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,082.74 : 188,201.22 = 111,136.41 : x
  2. Step 2: Convert to fraction form
    126,082.74/188,201.22 = 111,136.41/x
  3. Step 3: Cross multiply
    126,082.74x = 188,201.22 × 111,136.41
  4. Step 4: Simplify right side
    126,082.74x = 20,916,007,948.42
  5. Step 5: Solve for x
    x = 20,916,007,948.42/126,082.74
  6. Step 6: Final answer
    x = 165,891.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.