Home / 208,565.36-312,841.92-50,791.52

Finding the Fourth Proportional to 208,565.36, 312,841.92 and 50,791.52

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Solution

The fourth proportional to 208,565.36, 312,841.92 and 50,791.52 is: 76,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,565.36 : 312,841.92 = 50,791.52 : x
  2. Step 2: Convert to fraction form
    208,565.36/312,841.92 = 50,791.52/x
  3. Step 3: Cross multiply
    208,565.36x = 312,841.92 × 50,791.52
  4. Step 4: Simplify right side
    208,565.36x = 15,889,716,636.52
  5. Step 5: Solve for x
    x = 15,889,716,636.52/208,565.36
  6. Step 6: Final answer
    x = 76,185.79

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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.