Home / 339,764.35-509,633.55-103,097.47

Finding the Fourth Proportional to 339,764.35, 509,633.55 and 103,097.47

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Solution

The fourth proportional to 339,764.35, 509,633.55 and 103,097.47 is: 154,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,764.35 : 509,633.55 = 103,097.47 : x
  2. Step 2: Convert to fraction form
    339,764.35/509,633.55 = 103,097.47/x
  3. Step 3: Cross multiply
    339,764.35x = 509,633.55 × 103,097.47
  4. Step 4: Simplify right side
    339,764.35x = 52,541,929,632.12
  5. Step 5: Solve for x
    x = 52,541,929,632.12/339,764.35
  6. Step 6: Final answer
    x = 154,642.27

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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.