Home / 196,453.13-271,137.94-115,900.46

Finding the Fourth Proportional to 196,453.13, 271,137.94 and 115,900.46

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Solution

The fourth proportional to 196,453.13, 271,137.94 and 115,900.46 is: 159,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,453.13 : 271,137.94 = 115,900.46 : x
  2. Step 2: Convert to fraction form
    196,453.13/271,137.94 = 115,900.46/x
  3. Step 3: Cross multiply
    196,453.13x = 271,137.94 × 115,900.46
  4. Step 4: Simplify right side
    196,453.13x = 31,425,010,324.01
  5. Step 5: Solve for x
    x = 31,425,010,324.01/196,453.13
  6. Step 6: Final answer
    x = 159,961.87

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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.