Home / 105,936.20-158,904.28-27,047.60

Finding the Fourth Proportional to 105,936.20, 158,904.28 and 27,047.60

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Solution

The fourth proportional to 105,936.20, 158,904.28 and 27,047.60 is: 40,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,936.20 : 158,904.28 = 27,047.60 : x
  2. Step 2: Convert to fraction form
    105,936.20/158,904.28 = 27,047.60/x
  3. Step 3: Cross multiply
    105,936.20x = 158,904.28 × 27,047.60
  4. Step 4: Simplify right side
    105,936.20x = 4,297,979,403.73
  5. Step 5: Solve for x
    x = 4,297,979,403.73/105,936.20
  6. Step 6: Final answer
    x = 40,571.39

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1.5x scale

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.