Home / 120,355.44-180,550.77-36,122.27

Finding the Fourth Proportional to 120,355.44, 180,550.77 and 36,122.27

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Solution

The fourth proportional to 120,355.44, 180,550.77 and 36,122.27 is: 54,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,355.44 : 180,550.77 = 36,122.27 : x
  2. Step 2: Convert to fraction form
    120,355.44/180,550.77 = 36,122.27/x
  3. Step 3: Cross multiply
    120,355.44x = 180,550.77 × 36,122.27
  4. Step 4: Simplify right side
    120,355.44x = 6,521,902,624.44
  5. Step 5: Solve for x
    x = 6,521,902,624.44/120,355.44
  6. Step 6: Final answer
    x = 54,188.68

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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.