Home / 120,542.43-166,352.48-66,832.44

Finding the Fourth Proportional to 120,542.43, 166,352.48 and 66,832.44

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Solution

The fourth proportional to 120,542.43, 166,352.48 and 66,832.44 is: 92,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,542.43 : 166,352.48 = 66,832.44 : x
  2. Step 2: Convert to fraction form
    120,542.43/166,352.48 = 66,832.44/x
  3. Step 3: Cross multiply
    120,542.43x = 166,352.48 × 66,832.44
  4. Step 4: Simplify right side
    120,542.43x = 11,117,742,138.45
  5. Step 5: Solve for x
    x = 11,117,742,138.45/120,542.43
  6. Step 6: Final answer
    x = 92,230.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.