Home / 111,943.20-167,914.80-110,906.40

Finding the Fourth Proportional to 111,943.20, 167,914.80 and 110,906.40

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Solution

The fourth proportional to 111,943.20, 167,914.80 and 110,906.40 is: 166,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,943.20 : 167,914.80 = 110,906.40 : x
  2. Step 2: Convert to fraction form
    111,943.20/167,914.80 = 110,906.40/x
  3. Step 3: Cross multiply
    111,943.20x = 167,914.80 × 110,906.40
  4. Step 4: Simplify right side
    111,943.20x = 18,622,825,974.72
  5. Step 5: Solve for x
    x = 18,622,825,974.72/111,943.20
  6. Step 6: Final answer
    x = 166,359.60

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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.