Home / 185,500.41-278,022.60-85,521.84

Finding the Fourth Proportional to 185,500.41, 278,022.60 and 85,521.84

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Solution

The fourth proportional to 185,500.41, 278,022.60 and 85,521.84 is: 128,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,500.41 : 278,022.60 = 85,521.84 : x
  2. Step 2: Convert to fraction form
    185,500.41/278,022.60 = 85,521.84/x
  3. Step 3: Cross multiply
    185,500.41x = 278,022.60 × 85,521.84
  4. Step 4: Simplify right side
    185,500.41x = 23,777,004,313.58
  5. Step 5: Solve for x
    x = 23,777,004,313.58/185,500.41
  6. Step 6: Final answer
    x = 128,177.64

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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.