Home / 242,190.03-363,286.88-84,418.64

Finding the Fourth Proportional to 242,190.03, 363,286.88 and 84,418.64

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Solution

The fourth proportional to 242,190.03, 363,286.88 and 84,418.64 is: 126,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,190.03 : 363,286.88 = 84,418.64 : x
  2. Step 2: Convert to fraction form
    242,190.03/363,286.88 = 84,418.64/x
  3. Step 3: Cross multiply
    242,190.03x = 363,286.88 × 84,418.64
  4. Step 4: Simplify right side
    242,190.03x = 30,668,182,100.92
  5. Step 5: Solve for x
    x = 30,668,182,100.92/242,190.03
  6. Step 6: Final answer
    x = 126,628.59

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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.