Home / 324,821.07-487,231.47-88,198.47

Finding the Fourth Proportional to 324,821.07, 487,231.47 and 88,198.47

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Solution

The fourth proportional to 324,821.07, 487,231.47 and 88,198.47 is: 132,297.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,821.07 : 487,231.47 = 88,198.47 : x
  2. Step 2: Convert to fraction form
    324,821.07/487,231.47 = 88,198.47/x
  3. Step 3: Cross multiply
    324,821.07x = 487,231.47 × 88,198.47
  4. Step 4: Simplify right side
    324,821.07x = 42,973,070,189.85
  5. Step 5: Solve for x
    x = 42,973,070,189.85/324,821.07
  6. Step 6: Final answer
    x = 132,297.67

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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.