Home / 196,637.97-271,383.44-111,767.79

Finding the Fourth Proportional to 196,637.97, 271,383.44 and 111,767.79

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Solution

The fourth proportional to 196,637.97, 271,383.44 and 111,767.79 is: 154,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,637.97 : 271,383.44 = 111,767.79 : x
  2. Step 2: Convert to fraction form
    196,637.97/271,383.44 = 111,767.79/x
  3. Step 3: Cross multiply
    196,637.97x = 271,383.44 × 111,767.79
  4. Step 4: Simplify right side
    196,637.97x = 30,331,927,331.40
  5. Step 5: Solve for x
    x = 30,331,927,331.40/196,637.97
  6. Step 6: Final answer
    x = 154,252.65

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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.