Home / 131,155.44-196,795.39-67,963.75

Finding the Fourth Proportional to 131,155.44, 196,795.39 and 67,963.75

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Solution

The fourth proportional to 131,155.44, 196,795.39 and 67,963.75 is: 101,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,155.44 : 196,795.39 = 67,963.75 : x
  2. Step 2: Convert to fraction form
    131,155.44/196,795.39 = 67,963.75/x
  3. Step 3: Cross multiply
    131,155.44x = 196,795.39 × 67,963.75
  4. Step 4: Simplify right side
    131,155.44x = 13,374,952,025.21
  5. Step 5: Solve for x
    x = 13,374,952,025.21/131,155.44
  6. Step 6: Final answer
    x = 101,977.87

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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.