Home / 185,504.42-278,028.60-85,525.84

Finding the Fourth Proportional to 185,504.42, 278,028.60 and 85,525.84

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Solution

The fourth proportional to 185,504.42, 278,028.60 and 85,525.84 is: 128,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,504.42 : 278,028.60 = 85,525.84 : x
  2. Step 2: Convert to fraction form
    185,504.42/278,028.60 = 85,525.84/x
  3. Step 3: Cross multiply
    185,504.42x = 278,028.60 × 85,525.84
  4. Step 4: Simplify right side
    185,504.42x = 23,778,629,559.02
  5. Step 5: Solve for x
    x = 23,778,629,559.02/185,504.42
  6. Step 6: Final answer
    x = 128,183.63

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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.