Home / 196,628.60-271,370.50-111,758.42

Finding the Fourth Proportional to 196,628.60, 271,370.50 and 111,758.42

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Solution

The fourth proportional to 196,628.60, 271,370.50 and 111,758.42 is: 154,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,628.60 : 271,370.50 = 111,758.42 : x
  2. Step 2: Convert to fraction form
    196,628.60/271,370.50 = 111,758.42/x
  3. Step 3: Cross multiply
    196,628.60x = 271,370.50 × 111,758.42
  4. Step 4: Simplify right side
    196,628.60x = 30,327,936,678.36
  5. Step 5: Solve for x
    x = 30,327,936,678.36/196,628.60
  6. Step 6: Final answer
    x = 154,239.71

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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.