Home / 110,252.76-165,247.86-76,791.60

Finding the Fourth Proportional to 110,252.76, 165,247.86 and 76,791.60

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Solution

The fourth proportional to 110,252.76, 165,247.86 and 76,791.60 is: 115,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,252.76 : 165,247.86 = 76,791.60 : x
  2. Step 2: Convert to fraction form
    110,252.76/165,247.86 = 76,791.60/x
  3. Step 3: Cross multiply
    110,252.76x = 165,247.86 × 76,791.60
  4. Step 4: Simplify right side
    110,252.76x = 12,689,647,565.98
  5. Step 5: Solve for x
    x = 12,689,647,565.98/110,252.76
  6. Step 6: Final answer
    x = 115,095.96

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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.