Home / 135,558.32-203,343.96-65,496.56

Finding the Fourth Proportional to 135,558.32, 203,343.96 and 65,496.56

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Solution

The fourth proportional to 135,558.32, 203,343.96 and 65,496.56 is: 98,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,558.32 : 203,343.96 = 65,496.56 : x
  2. Step 2: Convert to fraction form
    135,558.32/203,343.96 = 65,496.56/x
  3. Step 3: Cross multiply
    135,558.32x = 203,343.96 × 65,496.56
  4. Step 4: Simplify right side
    135,558.32x = 13,318,329,876.78
  5. Step 5: Solve for x
    x = 13,318,329,876.78/135,558.32
  6. Step 6: Final answer
    x = 98,247.97

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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.