Home / 135,619.92-203,030.82-90,529.44

Finding the Fourth Proportional to 135,619.92, 203,030.82 and 90,529.44

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Solution

The fourth proportional to 135,619.92, 203,030.82 and 90,529.44 is: 135,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,619.92 : 203,030.82 = 90,529.44 : x
  2. Step 2: Convert to fraction form
    135,619.92/203,030.82 = 90,529.44/x
  3. Step 3: Cross multiply
    135,619.92x = 203,030.82 × 90,529.44
  4. Step 4: Simplify right side
    135,619.92x = 18,380,265,526.83
  5. Step 5: Solve for x
    x = 18,380,265,526.83/135,619.92
  6. Step 6: Final answer
    x = 135,527.77

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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.