Home / 119,294.35-178,936.85-40,408.57

Finding the Fourth Proportional to 119,294.35, 178,936.85 and 40,408.57

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Solution

The fourth proportional to 119,294.35, 178,936.85 and 40,408.57 is: 60,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,294.35 : 178,936.85 = 40,408.57 : x
  2. Step 2: Convert to fraction form
    119,294.35/178,936.85 = 40,408.57/x
  3. Step 3: Cross multiply
    119,294.35x = 178,936.85 × 40,408.57
  4. Step 4: Simplify right side
    119,294.35x = 7,230,582,326.20
  5. Step 5: Solve for x
    x = 7,230,582,326.20/119,294.35
  6. Step 6: Final answer
    x = 60,611.27

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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.