Home / 196,983.48-271,836.78-107,559.48

Finding the Fourth Proportional to 196,983.48, 271,836.78 and 107,559.48

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Solution

The fourth proportional to 196,983.48, 271,836.78 and 107,559.48 is: 148,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,983.48 : 271,836.78 = 107,559.48 : x
  2. Step 2: Convert to fraction form
    196,983.48/271,836.78 = 107,559.48/x
  3. Step 3: Cross multiply
    196,983.48x = 271,836.78 × 107,559.48
  4. Step 4: Simplify right side
    196,983.48x = 29,238,622,701.67
  5. Step 5: Solve for x
    x = 29,238,622,701.67/196,983.48
  6. Step 6: Final answer
    x = 148,431.85

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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.