Home / 198,584.45-274,051.90-107,946.54

Finding the Fourth Proportional to 198,584.45, 274,051.90 and 107,946.54

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Solution

The fourth proportional to 198,584.45, 274,051.90 and 107,946.54 is: 148,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,584.45 : 274,051.90 = 107,946.54 : x
  2. Step 2: Convert to fraction form
    198,584.45/274,051.90 = 107,946.54/x
  3. Step 3: Cross multiply
    198,584.45x = 274,051.90 × 107,946.54
  4. Step 4: Simplify right side
    198,584.45x = 29,582,954,385.43
  5. Step 5: Solve for x
    x = 29,582,954,385.43/198,584.45
  6. Step 6: Final answer
    x = 148,969.14

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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.