Home / 198,730.52-274,249.40-108,087.14

Finding the Fourth Proportional to 198,730.52, 274,249.40 and 108,087.14

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Solution

The fourth proportional to 198,730.52, 274,249.40 and 108,087.14 is: 149,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,730.52 : 274,249.40 = 108,087.14 : x
  2. Step 2: Convert to fraction form
    198,730.52/274,249.40 = 108,087.14/x
  3. Step 3: Cross multiply
    198,730.52x = 274,249.40 × 108,087.14
  4. Step 4: Simplify right side
    198,730.52x = 29,642,831,381.03
  5. Step 5: Solve for x
    x = 29,642,831,381.03/198,730.52
  6. Step 6: Final answer
    x = 149,160.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.