Home / 222,434.27-306,958.81-120,459.42

Finding the Fourth Proportional to 222,434.27, 306,958.81 and 120,459.42

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Solution

The fourth proportional to 222,434.27, 306,958.81 and 120,459.42 is: 166,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,434.27 : 306,958.81 = 120,459.42 : x
  2. Step 2: Convert to fraction form
    222,434.27/306,958.81 = 120,459.42/x
  3. Step 3: Cross multiply
    222,434.27x = 306,958.81 × 120,459.42
  4. Step 4: Simplify right side
    222,434.27x = 36,976,080,216.49
  5. Step 5: Solve for x
    x = 36,976,080,216.49/222,434.27
  6. Step 6: Final answer
    x = 166,233.74

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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.