Home / 174,991.09-262,273.38-90,704.78

Finding the Fourth Proportional to 174,991.09, 262,273.38 and 90,704.78

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Solution

The fourth proportional to 174,991.09, 262,273.38 and 90,704.78 is: 135,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,991.09 : 262,273.38 = 90,704.78 : x
  2. Step 2: Convert to fraction form
    174,991.09/262,273.38 = 90,704.78/x
  3. Step 3: Cross multiply
    174,991.09x = 262,273.38 × 90,704.78
  4. Step 4: Simplify right side
    174,991.09x = 23,789,449,232.76
  5. Step 5: Solve for x
    x = 23,789,449,232.76/174,991.09
  6. Step 6: Final answer
    x = 135,946.64

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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.