Home / 203,056.56-304,251.93-143,785.85

Finding the Fourth Proportional to 203,056.56, 304,251.93 and 143,785.85

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Solution

The fourth proportional to 203,056.56, 304,251.93 and 143,785.85 is: 215,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,056.56 : 304,251.93 = 143,785.85 : x
  2. Step 2: Convert to fraction form
    203,056.56/304,251.93 = 143,785.85/x
  3. Step 3: Cross multiply
    203,056.56x = 304,251.93 × 143,785.85
  4. Step 4: Simplify right side
    203,056.56x = 43,747,120,847.93
  5. Step 5: Solve for x
    x = 43,747,120,847.93/203,056.56
  6. Step 6: Final answer
    x = 215,443.03

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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.