Home / 198,885.26-274,467.83-112,847.88

Finding the Fourth Proportional to 198,885.26, 274,467.83 and 112,847.88

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Solution

The fourth proportional to 198,885.26, 274,467.83 and 112,847.88 is: 155,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,885.26 : 274,467.83 = 112,847.88 : x
  2. Step 2: Convert to fraction form
    198,885.26/274,467.83 = 112,847.88/x
  3. Step 3: Cross multiply
    198,885.26x = 274,467.83 × 112,847.88
  4. Step 4: Simplify right side
    198,885.26x = 30,973,112,743.70
  5. Step 5: Solve for x
    x = 30,973,112,743.70/198,885.26
  6. Step 6: Final answer
    x = 155,733.58

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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.