Home / 196,668.27-271,399.68-111,779.73

Finding the Fourth Proportional to 196,668.27, 271,399.68 and 111,779.73

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Solution

The fourth proportional to 196,668.27, 271,399.68 and 111,779.73 is: 154,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,668.27 : 271,399.68 = 111,779.73 : x
  2. Step 2: Convert to fraction form
    196,668.27/271,399.68 = 111,779.73/x
  3. Step 3: Cross multiply
    196,668.27x = 271,399.68 × 111,779.73
  4. Step 4: Simplify right side
    196,668.27x = 30,336,982,952.49
  5. Step 5: Solve for x
    x = 30,336,982,952.49/196,668.27
  6. Step 6: Final answer
    x = 154,254.59

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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.