Home / 269,197.83-403,782.17-82,194.75

Finding the Fourth Proportional to 269,197.83, 403,782.17 and 82,194.75

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Solution

The fourth proportional to 269,197.83, 403,782.17 and 82,194.75 is: 123,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,197.83 : 403,782.17 = 82,194.75 : x
  2. Step 2: Convert to fraction form
    269,197.83/403,782.17 = 82,194.75/x
  3. Step 3: Cross multiply
    269,197.83x = 403,782.17 × 82,194.75
  4. Step 4: Simplify right side
    269,197.83x = 33,188,774,106.63
  5. Step 5: Solve for x
    x = 33,188,774,106.63/269,197.83
  6. Step 6: Final answer
    x = 123,287.67

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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.