Home / 135,363.88-203,044.38-52,199.56

Finding the Fourth Proportional to 135,363.88, 203,044.38 and 52,199.56

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Solution

The fourth proportional to 135,363.88, 203,044.38 and 52,199.56 is: 78,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,363.88 : 203,044.38 = 52,199.56 : x
  2. Step 2: Convert to fraction form
    135,363.88/203,044.38 = 52,199.56/x
  3. Step 3: Cross multiply
    135,363.88x = 203,044.38 × 52,199.56
  4. Step 4: Simplify right side
    135,363.88x = 10,598,827,296.47
  5. Step 5: Solve for x
    x = 10,598,827,296.47/135,363.88
  6. Step 6: Final answer
    x = 78,298.78

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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.