Home / 534,768.37-802,154.38-135,408.96

Finding the Fourth Proportional to 534,768.37, 802,154.38 and 135,408.96

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Solution

The fourth proportional to 534,768.37, 802,154.38 and 135,408.96 is: 203,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,768.37 : 802,154.38 = 135,408.96 : x
  2. Step 2: Convert to fraction form
    534,768.37/802,154.38 = 135,408.96/x
  3. Step 3: Cross multiply
    534,768.37x = 802,154.38 × 135,408.96
  4. Step 4: Simplify right side
    534,768.37x = 108,618,890,016.72
  5. Step 5: Solve for x
    x = 108,618,890,016.72/534,768.37
  6. Step 6: Final answer
    x = 203,113.90

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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.