Home / 198,355.25-297,583.22-91,816.06

Finding the Fourth Proportional to 198,355.25, 297,583.22 and 91,816.06

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Solution

The fourth proportional to 198,355.25, 297,583.22 and 91,816.06 is: 137,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,355.25 : 297,583.22 = 91,816.06 : x
  2. Step 2: Convert to fraction form
    198,355.25/297,583.22 = 91,816.06/x
  3. Step 3: Cross multiply
    198,355.25x = 297,583.22 × 91,816.06
  4. Step 4: Simplify right side
    198,355.25x = 27,322,917,294.60
  5. Step 5: Solve for x
    x = 27,322,917,294.60/198,355.25
  6. Step 6: Final answer
    x = 137,747.39

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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.