Home / 143,576.54-198,082.44-143,355.11

Finding the Fourth Proportional to 143,576.54, 198,082.44 and 143,355.11

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Solution

The fourth proportional to 143,576.54, 198,082.44 and 143,355.11 is: 197,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,576.54 : 198,082.44 = 143,355.11 : x
  2. Step 2: Convert to fraction form
    143,576.54/198,082.44 = 143,355.11/x
  3. Step 3: Cross multiply
    143,576.54x = 198,082.44 × 143,355.11
  4. Step 4: Simplify right side
    143,576.54x = 28,396,128,984.86
  5. Step 5: Solve for x
    x = 28,396,128,984.86/143,576.54
  6. Step 6: Final answer
    x = 197,776.95

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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.