Home / 238,815.27-329,428.22-149,235.75

Finding the Fourth Proportional to 238,815.27, 329,428.22 and 149,235.75

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Solution

The fourth proportional to 238,815.27, 329,428.22 and 149,235.75 is: 205,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,815.27 : 329,428.22 = 149,235.75 : x
  2. Step 2: Convert to fraction form
    238,815.27/329,428.22 = 149,235.75/x
  3. Step 3: Cross multiply
    238,815.27x = 329,428.22 × 149,235.75
  4. Step 4: Simplify right side
    238,815.27x = 49,162,466,736.69
  5. Step 5: Solve for x
    x = 49,162,466,736.69/238,815.27
  6. Step 6: Final answer
    x = 205,859.81

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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.