Home / 222,426.44-306,951.54-121,825.16

Finding the Fourth Proportional to 222,426.44, 306,951.54 and 121,825.16

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Solution

The fourth proportional to 222,426.44, 306,951.54 and 121,825.16 is: 168,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,426.44 : 306,951.54 = 121,825.16 : x
  2. Step 2: Convert to fraction form
    222,426.44/306,951.54 = 121,825.16/x
  3. Step 3: Cross multiply
    222,426.44x = 306,951.54 × 121,825.16
  4. Step 4: Simplify right side
    222,426.44x = 37,394,420,472.75
  5. Step 5: Solve for x
    x = 37,394,420,472.75/222,426.44
  6. Step 6: Final answer
    x = 168,120.39

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1.5x scale

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.