Home / 322,928.71-445,594.21-193,839.82

Finding the Fourth Proportional to 322,928.71, 445,594.21 and 193,839.82

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Solution

The fourth proportional to 322,928.71, 445,594.21 and 193,839.82 is: 267,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,928.71 : 445,594.21 = 193,839.82 : x
  2. Step 2: Convert to fraction form
    322,928.71/445,594.21 = 193,839.82/x
  3. Step 3: Cross multiply
    322,928.71x = 445,594.21 × 193,839.82
  4. Step 4: Simplify right side
    322,928.71x = 86,373,900,951.21
  5. Step 5: Solve for x
    x = 86,373,900,951.21/322,928.71
  6. Step 6: Final answer
    x = 267,470.49

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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.