Home / 143,091.36-197,475.26-82,664.52

Finding the Fourth Proportional to 143,091.36, 197,475.26 and 82,664.52

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Solution

The fourth proportional to 143,091.36, 197,475.26 and 82,664.52 is: 114,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,091.36 : 197,475.26 = 82,664.52 : x
  2. Step 2: Convert to fraction form
    143,091.36/197,475.26 = 82,664.52/x
  3. Step 3: Cross multiply
    143,091.36x = 197,475.26 × 82,664.52
  4. Step 4: Simplify right side
    143,091.36x = 16,324,197,579.78
  5. Step 5: Solve for x
    x = 16,324,197,579.78/143,091.36
  6. Step 6: Final answer
    x = 114,082.34

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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.