Home / 238,620.84-329,288.28-131,190.03

Finding the Fourth Proportional to 238,620.84, 329,288.28 and 131,190.03

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Solution

The fourth proportional to 238,620.84, 329,288.28 and 131,190.03 is: 181,037.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,620.84 : 329,288.28 = 131,190.03 : x
  2. Step 2: Convert to fraction form
    238,620.84/329,288.28 = 131,190.03/x
  3. Step 3: Cross multiply
    238,620.84x = 329,288.28 × 131,190.03
  4. Step 4: Simplify right side
    238,620.84x = 43,199,339,331.85
  5. Step 5: Solve for x
    x = 43,199,339,331.85/238,620.84
  6. Step 6: Final answer
    x = 181,037.58

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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.