Home / 195,015.75-269,121.74-105,591.75

Finding the Fourth Proportional to 195,015.75, 269,121.74 and 105,591.75

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Solution

The fourth proportional to 195,015.75, 269,121.74 and 105,591.75 is: 145,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,015.75 : 269,121.74 = 105,591.75 : x
  2. Step 2: Convert to fraction form
    195,015.75/269,121.74 = 105,591.75/x
  3. Step 3: Cross multiply
    195,015.75x = 269,121.74 × 105,591.75
  4. Step 4: Simplify right side
    195,015.75x = 28,417,034,961.69
  5. Step 5: Solve for x
    x = 28,417,034,961.69/195,015.75
  6. Step 6: Final answer
    x = 145,716.62

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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.