Home / 298,233.51-447,212.03-111,194.79

Finding the Fourth Proportional to 298,233.51, 447,212.03 and 111,194.79

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Solution

The fourth proportional to 298,233.51, 447,212.03 and 111,194.79 is: 166,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,233.51 : 447,212.03 = 111,194.79 : x
  2. Step 2: Convert to fraction form
    298,233.51/447,212.03 = 111,194.79/x
  3. Step 3: Cross multiply
    298,233.51x = 447,212.03 × 111,194.79
  4. Step 4: Simplify right side
    298,233.51x = 49,727,647,205.35
  5. Step 5: Solve for x
    x = 49,727,647,205.35/298,233.51
  6. Step 6: Final answer
    x = 166,740.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.