Home / 198,572.40-274,069.79-117,984.44

Finding the Fourth Proportional to 198,572.40, 274,069.79 and 117,984.44

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Solution

The fourth proportional to 198,572.40, 274,069.79 and 117,984.44 is: 162,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,572.40 : 274,069.79 = 117,984.44 : x
  2. Step 2: Convert to fraction form
    198,572.40/274,069.79 = 117,984.44/x
  3. Step 3: Cross multiply
    198,572.40x = 274,069.79 × 117,984.44
  4. Step 4: Simplify right side
    198,572.40x = 32,335,970,694.07
  5. Step 5: Solve for x
    x = 32,335,970,694.07/198,572.40
  6. Step 6: Final answer
    x = 162,842.22

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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.