Home / 159,171.75-219,657.15-92,103.75

Finding the Fourth Proportional to 159,171.75, 219,657.15 and 92,103.75

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Solution

The fourth proportional to 159,171.75, 219,657.15 and 92,103.75 is: 127,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,171.75 : 219,657.15 = 92,103.75 : x
  2. Step 2: Convert to fraction form
    159,171.75/219,657.15 = 92,103.75/x
  3. Step 3: Cross multiply
    159,171.75x = 219,657.15 × 92,103.75
  4. Step 4: Simplify right side
    159,171.75x = 20,231,247,229.31
  5. Step 5: Solve for x
    x = 20,231,247,229.31/159,171.75
  6. Step 6: Final answer
    x = 127,103.25

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1.5x scale

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.