Home / 197,105.28-271,979.84-111,066.24

Finding the Fourth Proportional to 197,105.28, 271,979.84 and 111,066.24

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Solution

The fourth proportional to 197,105.28, 271,979.84 and 111,066.24 is: 153,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,105.28 : 271,979.84 = 111,066.24 : x
  2. Step 2: Convert to fraction form
    197,105.28/271,979.84 = 111,066.24/x
  3. Step 3: Cross multiply
    197,105.28x = 271,979.84 × 111,066.24
  4. Step 4: Simplify right side
    197,105.28x = 30,207,778,184.60
  5. Step 5: Solve for x
    x = 30,207,778,184.60/197,105.28
  6. Step 6: Final answer
    x = 153,257.07

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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.