Home / 135,933.12-203,669.60-83,232.56

Finding the Fourth Proportional to 135,933.12, 203,669.60 and 83,232.56

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Solution

The fourth proportional to 135,933.12, 203,669.60 and 83,232.56 is: 124,707.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,933.12 : 203,669.60 = 83,232.56 : x
  2. Step 2: Convert to fraction form
    135,933.12/203,669.60 = 83,232.56/x
  3. Step 3: Cross multiply
    135,933.12x = 203,669.60 × 83,232.56
  4. Step 4: Simplify right side
    135,933.12x = 16,951,942,202.18
  5. Step 5: Solve for x
    x = 16,951,942,202.18/135,933.12
  6. Step 6: Final answer
    x = 124,707.96

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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.