Home / 148,081.91-222,122.70-48,241.96

Finding the Fourth Proportional to 148,081.91, 222,122.70 and 48,241.96

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Solution

The fourth proportional to 148,081.91, 222,122.70 and 48,241.96 is: 72,362.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,081.91 : 222,122.70 = 48,241.96 : x
  2. Step 2: Convert to fraction form
    148,081.91/222,122.70 = 48,241.96/x
  3. Step 3: Cross multiply
    148,081.91x = 222,122.70 × 48,241.96
  4. Step 4: Simplify right side
    148,081.91x = 10,715,634,408.49
  5. Step 5: Solve for x
    x = 10,715,634,408.49/148,081.91
  6. Step 6: Final answer
    x = 72,362.89

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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.