Home / 135,562.15-203,143.42-75,507.96

Finding the Fourth Proportional to 135,562.15, 203,143.42 and 75,507.96

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Solution

The fourth proportional to 135,562.15, 203,143.42 and 75,507.96 is: 113,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,562.15 : 203,143.42 = 75,507.96 : x
  2. Step 2: Convert to fraction form
    135,562.15/203,143.42 = 75,507.96/x
  3. Step 3: Cross multiply
    135,562.15x = 203,143.42 × 75,507.96
  4. Step 4: Simplify right side
    135,562.15x = 15,338,943,838.37
  5. Step 5: Solve for x
    x = 15,338,943,838.37/135,562.15
  6. Step 6: Final answer
    x = 113,150.64

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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.