Home / 231,107.20-346,693.20-90,833.20

Finding the Fourth Proportional to 231,107.20, 346,693.20 and 90,833.20

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Solution

The fourth proportional to 231,107.20, 346,693.20 and 90,833.20 is: 136,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,107.20 : 346,693.20 = 90,833.20 : x
  2. Step 2: Convert to fraction form
    231,107.20/346,693.20 = 90,833.20/x
  3. Step 3: Cross multiply
    231,107.20x = 346,693.20 × 90,833.20
  4. Step 4: Simplify right side
    231,107.20x = 31,491,252,774.24
  5. Step 5: Solve for x
    x = 31,491,252,774.24/231,107.20
  6. Step 6: Final answer
    x = 136,262.53

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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.