Home / 107,194.73-161,764.83-103,621.48

Finding the Fourth Proportional to 107,194.73, 161,764.83 and 103,621.48

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Solution

The fourth proportional to 107,194.73, 161,764.83 and 103,621.48 is: 156,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,194.73 : 161,764.83 = 103,621.48 : x
  2. Step 2: Convert to fraction form
    107,194.73/161,764.83 = 103,621.48/x
  3. Step 3: Cross multiply
    107,194.73x = 161,764.83 × 103,621.48
  4. Step 4: Simplify right side
    107,194.73x = 16,762,310,692.14
  5. Step 5: Solve for x
    x = 16,762,310,692.14/107,194.73
  6. Step 6: Final answer
    x = 156,372.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.