Home / 106,268.28-159,412.20-27,382.80

Finding the Fourth Proportional to 106,268.28, 159,412.20 and 27,382.80

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Solution

The fourth proportional to 106,268.28, 159,412.20 and 27,382.80 is: 41,076.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,268.28 : 159,412.20 = 27,382.80 : x
  2. Step 2: Convert to fraction form
    106,268.28/159,412.20 = 27,382.80/x
  3. Step 3: Cross multiply
    106,268.28x = 159,412.20 × 27,382.80
  4. Step 4: Simplify right side
    106,268.28x = 4,365,152,390.16
  5. Step 5: Solve for x
    x = 4,365,152,390.16/106,268.28
  6. Step 6: Final answer
    x = 41,076.72

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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.