Home / 196,208.96-270,760.20-111,330.68

Finding the Fourth Proportional to 196,208.96, 270,760.20 and 111,330.68

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Solution

The fourth proportional to 196,208.96, 270,760.20 and 111,330.68 is: 153,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,208.96 : 270,760.20 = 111,330.68 : x
  2. Step 2: Convert to fraction form
    196,208.96/270,760.20 = 111,330.68/x
  3. Step 3: Cross multiply
    196,208.96x = 270,760.20 × 111,330.68
  4. Step 4: Simplify right side
    196,208.96x = 30,143,917,182.94
  5. Step 5: Solve for x
    x = 30,143,917,182.94/196,208.96
  6. Step 6: Final answer
    x = 153,631.71

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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.