Home / 198,962.79-274,582.89-111,754.95

Finding the Fourth Proportional to 198,962.79, 274,582.89 and 111,754.95

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Solution

The fourth proportional to 198,962.79, 274,582.89 and 111,754.95 is: 154,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,962.79 : 274,582.89 = 111,754.95 : x
  2. Step 2: Convert to fraction form
    198,962.79/274,582.89 = 111,754.95/x
  3. Step 3: Cross multiply
    198,962.79x = 274,582.89 × 111,754.95
  4. Step 4: Simplify right side
    198,962.79x = 30,685,997,142.81
  5. Step 5: Solve for x
    x = 30,685,997,142.81/198,962.79
  6. Step 6: Final answer
    x = 154,229.83

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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.