Home / 196,944.48-271,782-107,520.48

Finding the Fourth Proportional to 196,944.48, 271,782 and 107,520.48

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Solution

The fourth proportional to 196,944.48, 271,782 and 107,520.48 is: 148,377.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,944.48 : 271,782 = 107,520.48 : x
  2. Step 2: Convert to fraction form
    196,944.48/271,782 = 107,520.48/x
  3. Step 3: Cross multiply
    196,944.48x = 271,782 × 107,520.48
  4. Step 4: Simplify right side
    196,944.48x = 29,222,131,095.36
  5. Step 5: Solve for x
    x = 29,222,131,095.36/196,944.48
  6. Step 6: Final answer
    x = 148,377.51

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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.