Home / 198,692.68-274,190.52-112,667.44

Finding the Fourth Proportional to 198,692.68, 274,190.52 and 112,667.44

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Solution

The fourth proportional to 198,692.68, 274,190.52 and 112,667.44 is: 155,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,692.68 : 274,190.52 = 112,667.44 : x
  2. Step 2: Convert to fraction form
    198,692.68/274,190.52 = 112,667.44/x
  3. Step 3: Cross multiply
    198,692.68x = 274,190.52 × 112,667.44
  4. Step 4: Simplify right side
    198,692.68x = 30,892,343,960.67
  5. Step 5: Solve for x
    x = 30,892,343,960.67/198,692.68
  6. Step 6: Final answer
    x = 155,478.02

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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.