Home / 110,845.20-166,333.36-40,773.68

Finding the Fourth Proportional to 110,845.20, 166,333.36 and 40,773.68

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Solution

The fourth proportional to 110,845.20, 166,333.36 and 40,773.68 is: 61,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,845.20 : 166,333.36 = 40,773.68 : x
  2. Step 2: Convert to fraction form
    110,845.20/166,333.36 = 40,773.68/x
  3. Step 3: Cross multiply
    110,845.20x = 166,333.36 × 40,773.68
  4. Step 4: Simplify right side
    110,845.20x = 6,782,023,193.96
  5. Step 5: Solve for x
    x = 6,782,023,193.96/110,845.20
  6. Step 6: Final answer
    x = 61,184.64

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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.