Home / 238,990.62-329,804.38-131,558.28

Finding the Fourth Proportional to 238,990.62, 329,804.38 and 131,558.28

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Solution

The fourth proportional to 238,990.62, 329,804.38 and 131,558.28 is: 181,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,990.62 : 329,804.38 = 131,558.28 : x
  2. Step 2: Convert to fraction form
    238,990.62/329,804.38 = 131,558.28/x
  3. Step 3: Cross multiply
    238,990.62x = 329,804.38 × 131,558.28
  4. Step 4: Simplify right side
    238,990.62x = 43,388,496,969.27
  5. Step 5: Solve for x
    x = 43,388,496,969.27/238,990.62
  6. Step 6: Final answer
    x = 181,548.95

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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.