Home / 222,231.17-306,684.26-126,735.81

Finding the Fourth Proportional to 222,231.17, 306,684.26 and 126,735.81

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Solution

The fourth proportional to 222,231.17, 306,684.26 and 126,735.81 is: 174,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,231.17 : 306,684.26 = 126,735.81 : x
  2. Step 2: Convert to fraction form
    222,231.17/306,684.26 = 126,735.81/x
  3. Step 3: Cross multiply
    222,231.17x = 306,684.26 × 126,735.81
  4. Step 4: Simplify right side
    222,231.17x = 38,867,879,919.18
  5. Step 5: Solve for x
    x = 38,867,879,919.18/222,231.17
  6. Step 6: Final answer
    x = 174,898.42

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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.