Home / 196,553.64-271,251.54-107,129.64

Finding the Fourth Proportional to 196,553.64, 271,251.54 and 107,129.64

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Solution

The fourth proportional to 196,553.64, 271,251.54 and 107,129.64 is: 147,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,553.64 : 271,251.54 = 107,129.64 : x
  2. Step 2: Convert to fraction form
    196,553.64/271,251.54 = 107,129.64/x
  3. Step 3: Cross multiply
    196,553.64x = 271,251.54 × 107,129.64
  4. Step 4: Simplify right side
    196,553.64x = 29,059,079,829.65
  5. Step 5: Solve for x
    x = 29,059,079,829.65/196,553.64
  6. Step 6: Final answer
    x = 147,843.00

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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.