Home / 110,850.20-166,340.86-40,778.68

Finding the Fourth Proportional to 110,850.20, 166,340.86 and 40,778.68

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Solution

The fourth proportional to 110,850.20, 166,340.86 and 40,778.68 is: 61,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,850.20 : 166,340.86 = 40,778.68 : x
  2. Step 2: Convert to fraction form
    110,850.20/166,340.86 = 40,778.68/x
  3. Step 3: Cross multiply
    110,850.20x = 166,340.86 × 40,778.68
  4. Step 4: Simplify right side
    110,850.20x = 6,783,160,700.86
  5. Step 5: Solve for x
    x = 6,783,160,700.86/110,850.20
  6. Step 6: Final answer
    x = 61,192.14

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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.