Home / 231,080.20-346,171.74-130,932.52

Finding the Fourth Proportional to 231,080.20, 346,171.74 and 130,932.52

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Solution

The fourth proportional to 231,080.20, 346,171.74 and 130,932.52 is: 196,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,080.20 : 346,171.74 = 130,932.52 : x
  2. Step 2: Convert to fraction form
    231,080.20/346,171.74 = 130,932.52/x
  3. Step 3: Cross multiply
    231,080.20x = 346,171.74 × 130,932.52
  4. Step 4: Simplify right side
    231,080.20x = 45,325,138,270.98
  5. Step 5: Solve for x
    x = 45,325,138,270.98/231,080.20
  6. Step 6: Final answer
    x = 196,144.62

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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.