Home / 339,824.30-509,734.22-115,342.82

Finding the Fourth Proportional to 339,824.30, 509,734.22 and 115,342.82

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Solution

The fourth proportional to 339,824.30, 509,734.22 and 115,342.82 is: 173,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,824.30 : 509,734.22 = 115,342.82 : x
  2. Step 2: Convert to fraction form
    339,824.30/509,734.22 = 115,342.82/x
  3. Step 3: Cross multiply
    339,824.30x = 509,734.22 × 115,342.82
  4. Step 4: Simplify right side
    339,824.30x = 58,794,182,385.30
  5. Step 5: Solve for x
    x = 58,794,182,385.30/339,824.30
  6. Step 6: Final answer
    x = 173,013.47

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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.