Home / 197,958.57-273,118.61-111,909.24

Finding the Fourth Proportional to 197,958.57, 273,118.61 and 111,909.24

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Solution

The fourth proportional to 197,958.57, 273,118.61 and 111,909.24 is: 154,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,958.57 : 273,118.61 = 111,909.24 : x
  2. Step 2: Convert to fraction form
    197,958.57/273,118.61 = 111,909.24/x
  3. Step 3: Cross multiply
    197,958.57x = 273,118.61 × 111,909.24
  4. Step 4: Simplify right side
    197,958.57x = 30,564,496,074.96
  5. Step 5: Solve for x
    x = 30,564,496,074.96/197,958.57
  6. Step 6: Final answer
    x = 154,398.45

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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.