Home / 222,268.40-306,731.10-120,293.83

Finding the Fourth Proportional to 222,268.40, 306,731.10 and 120,293.83

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Solution

The fourth proportional to 222,268.40, 306,731.10 and 120,293.83 is: 166,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,268.40 : 306,731.10 = 120,293.83 : x
  2. Step 2: Convert to fraction form
    222,268.40/306,731.10 = 120,293.83/x
  3. Step 3: Cross multiply
    222,268.40x = 306,731.10 × 120,293.83
  4. Step 4: Simplify right side
    222,268.40x = 36,897,858,799.11
  5. Step 5: Solve for x
    x = 36,897,858,799.11/222,268.40
  6. Step 6: Final answer
    x = 166,005.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.