Home / 196,628.97-271,371.06-111,758.79

Finding the Fourth Proportional to 196,628.97, 271,371.06 and 111,758.79

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Solution

The fourth proportional to 196,628.97, 271,371.06 and 111,758.79 is: 154,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,628.97 : 271,371.06 = 111,758.79 : x
  2. Step 2: Convert to fraction form
    196,628.97/271,371.06 = 111,758.79/x
  3. Step 3: Cross multiply
    196,628.97x = 271,371.06 × 111,758.79
  4. Step 4: Simplify right side
    196,628.97x = 30,328,101,306.62
  5. Step 5: Solve for x
    x = 30,328,101,306.62/196,628.97
  6. Step 6: Final answer
    x = 154,240.25

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1.5x scale

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.