Home / 135,723.30-203,540.37-45,741.86

Finding the Fourth Proportional to 135,723.30, 203,540.37 and 45,741.86

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Solution

The fourth proportional to 135,723.30, 203,540.37 and 45,741.86 is: 68,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,723.30 : 203,540.37 = 45,741.86 : x
  2. Step 2: Convert to fraction form
    135,723.30/203,540.37 = 45,741.86/x
  3. Step 3: Cross multiply
    135,723.30x = 203,540.37 × 45,741.86
  4. Step 4: Simplify right side
    135,723.30x = 9,310,315,956.49
  5. Step 5: Solve for x
    x = 9,310,315,956.49/135,723.30
  6. Step 6: Final answer
    x = 68,597.77

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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.