Home / 238,447.62-329,057.64-131,017.50

Finding the Fourth Proportional to 238,447.62, 329,057.64 and 131,017.50

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Solution

The fourth proportional to 238,447.62, 329,057.64 and 131,017.50 is: 180,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,447.62 : 329,057.64 = 131,017.50 : x
  2. Step 2: Convert to fraction form
    238,447.62/329,057.64 = 131,017.50/x
  3. Step 3: Cross multiply
    238,447.62x = 329,057.64 × 131,017.50
  4. Step 4: Simplify right side
    238,447.62x = 43,112,309,348.70
  5. Step 5: Solve for x
    x = 43,112,309,348.70/238,447.62
  6. Step 6: Final answer
    x = 180,804.11

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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.