Home / 111,976.20-167,964.30-92,293.20

Finding the Fourth Proportional to 111,976.20, 167,964.30 and 92,293.20

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Solution

The fourth proportional to 111,976.20, 167,964.30 and 92,293.20 is: 138,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,976.20 : 167,964.30 = 92,293.20 : x
  2. Step 2: Convert to fraction form
    111,976.20/167,964.30 = 92,293.20/x
  3. Step 3: Cross multiply
    111,976.20x = 167,964.30 × 92,293.20
  4. Step 4: Simplify right side
    111,976.20x = 15,501,962,732.76
  5. Step 5: Solve for x
    x = 15,501,962,732.76/111,976.20
  6. Step 6: Final answer
    x = 138,439.80

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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.