Home / 204,072.62-306,140.49-104,178.62

Finding the Fourth Proportional to 204,072.62, 306,140.49 and 104,178.62

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Solution

The fourth proportional to 204,072.62, 306,140.49 and 104,178.62 is: 156,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,072.62 : 306,140.49 = 104,178.62 : x
  2. Step 2: Convert to fraction form
    204,072.62/306,140.49 = 104,178.62/x
  3. Step 3: Cross multiply
    204,072.62x = 306,140.49 × 104,178.62
  4. Step 4: Simplify right side
    204,072.62x = 31,893,293,774.32
  5. Step 5: Solve for x
    x = 31,893,293,774.32/204,072.62
  6. Step 6: Final answer
    x = 156,284.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.