Home / 110,921.40-166,382.10-92,222.55

Finding the Fourth Proportional to 110,921.40, 166,382.10 and 92,222.55

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Solution

The fourth proportional to 110,921.40, 166,382.10 and 92,222.55 is: 138,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,921.40 : 166,382.10 = 92,222.55 : x
  2. Step 2: Convert to fraction form
    110,921.40/166,382.10 = 92,222.55/x
  3. Step 3: Cross multiply
    110,921.40x = 166,382.10 × 92,222.55
  4. Step 4: Simplify right side
    110,921.40x = 15,344,181,536.36
  5. Step 5: Solve for x
    x = 15,344,181,536.36/110,921.40
  6. Step 6: Final answer
    x = 138,333.83

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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.