Home / 238,986.32-329,805.27-137,028.38

Finding the Fourth Proportional to 238,986.32, 329,805.27 and 137,028.38

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Solution

The fourth proportional to 238,986.32, 329,805.27 and 137,028.38 is: 189,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,986.32 : 329,805.27 = 137,028.38 : x
  2. Step 2: Convert to fraction form
    238,986.32/329,805.27 = 137,028.38/x
  3. Step 3: Cross multiply
    238,986.32x = 329,805.27 × 137,028.38
  4. Step 4: Simplify right side
    238,986.32x = 45,192,680,214.54
  5. Step 5: Solve for x
    x = 45,192,680,214.54/238,986.32
  6. Step 6: Final answer
    x = 189,101.54

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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.