Home / 100,791.16-151,280.28-50,906.27

Finding the Fourth Proportional to 100,791.16, 151,280.28 and 50,906.27

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Solution

The fourth proportional to 100,791.16, 151,280.28 and 50,906.27 is: 76,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,791.16 : 151,280.28 = 50,906.27 : x
  2. Step 2: Convert to fraction form
    100,791.16/151,280.28 = 50,906.27/x
  3. Step 3: Cross multiply
    100,791.16x = 151,280.28 × 50,906.27
  4. Step 4: Simplify right side
    100,791.16x = 7,701,115,157.56
  5. Step 5: Solve for x
    x = 7,701,115,157.56/100,791.16
  6. Step 6: Final answer
    x = 76,406.65

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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.