Home / 140,760.88-211,141.31-35,579.85

Finding the Fourth Proportional to 140,760.88, 211,141.31 and 35,579.85

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Solution

The fourth proportional to 140,760.88, 211,141.31 and 35,579.85 is: 53,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,760.88 : 211,141.31 = 35,579.85 : x
  2. Step 2: Convert to fraction form
    140,760.88/211,141.31 = 35,579.85/x
  3. Step 3: Cross multiply
    140,760.88x = 211,141.31 × 35,579.85
  4. Step 4: Simplify right side
    140,760.88x = 7,512,376,138.60
  5. Step 5: Solve for x
    x = 7,512,376,138.60/140,760.88
  6. Step 6: Final answer
    x = 53,369.77

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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.