Home / 218,996.22-328,355.82-92,571.42

Finding the Fourth Proportional to 218,996.22, 328,355.82 and 92,571.42

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Solution

The fourth proportional to 218,996.22, 328,355.82 and 92,571.42 is: 138,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,996.22 : 328,355.82 = 92,571.42 : x
  2. Step 2: Convert to fraction form
    218,996.22/328,355.82 = 92,571.42/x
  3. Step 3: Cross multiply
    218,996.22x = 328,355.82 × 92,571.42
  4. Step 4: Simplify right side
    218,996.22x = 30,396,364,522.66
  5. Step 5: Solve for x
    x = 30,396,364,522.66/218,996.22
  6. Step 6: Final answer
    x = 138,798.58

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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.