Home / 122,839.49-184,251.94-72,266.96

Finding the Fourth Proportional to 122,839.49, 184,251.94 and 72,266.96

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Solution

The fourth proportional to 122,839.49, 184,251.94 and 72,266.96 is: 108,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,839.49 : 184,251.94 = 72,266.96 : x
  2. Step 2: Convert to fraction form
    122,839.49/184,251.94 = 72,266.96/x
  3. Step 3: Cross multiply
    122,839.49x = 184,251.94 × 72,266.96
  4. Step 4: Simplify right side
    122,839.49x = 13,315,327,577.90
  5. Step 5: Solve for x
    x = 13,315,327,577.90/122,839.49
  6. Step 6: Final answer
    x = 108,396.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.