Home / 196,268.39-270,864.38-111,390.92

Finding the Fourth Proportional to 196,268.39, 270,864.38 and 111,390.92

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Solution

The fourth proportional to 196,268.39, 270,864.38 and 111,390.92 is: 153,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,268.39 : 270,864.38 = 111,390.92 : x
  2. Step 2: Convert to fraction form
    196,268.39/270,864.38 = 111,390.92/x
  3. Step 3: Cross multiply
    196,268.39x = 270,864.38 × 111,390.92
  4. Step 4: Simplify right side
    196,268.39x = 30,171,832,483.43
  5. Step 5: Solve for x
    x = 30,171,832,483.43/196,268.39
  6. Step 6: Final answer
    x = 153,727.42

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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.