Home / 204,553.10-306,747.63-120,335.37

Finding the Fourth Proportional to 204,553.10, 306,747.63 and 120,335.37

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Solution

The fourth proportional to 204,553.10, 306,747.63 and 120,335.37 is: 180,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,553.10 : 306,747.63 = 120,335.37 : x
  2. Step 2: Convert to fraction form
    204,553.10/306,747.63 = 120,335.37/x
  3. Step 3: Cross multiply
    204,553.10x = 306,747.63 × 120,335.37
  4. Step 4: Simplify right side
    204,553.10x = 36,912,590,466.27
  5. Step 5: Solve for x
    x = 36,912,590,466.27/204,553.10
  6. Step 6: Final answer
    x = 180,454.81

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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.