Home / 339,830.24-509,712.46-103,174.97

Finding the Fourth Proportional to 339,830.24, 509,712.46 and 103,174.97

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Solution

The fourth proportional to 339,830.24, 509,712.46 and 103,174.97 is: 154,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,830.24 : 509,712.46 = 103,174.97 : x
  2. Step 2: Convert to fraction form
    339,830.24/509,712.46 = 103,174.97/x
  3. Step 3: Cross multiply
    339,830.24x = 509,712.46 × 103,174.97
  4. Step 4: Simplify right side
    339,830.24x = 52,589,567,769.13
  5. Step 5: Solve for x
    x = 52,589,567,769.13/339,830.24
  6. Step 6: Final answer
    x = 154,752.47

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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.