Home / 174,078.76-261,136.32-74,249.52

Finding the Fourth Proportional to 174,078.76, 261,136.32 and 74,249.52

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Solution

The fourth proportional to 174,078.76, 261,136.32 and 74,249.52 is: 111,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,078.76 : 261,136.32 = 74,249.52 : x
  2. Step 2: Convert to fraction form
    174,078.76/261,136.32 = 74,249.52/x
  3. Step 3: Cross multiply
    174,078.76x = 261,136.32 × 74,249.52
  4. Step 4: Simplify right side
    174,078.76x = 19,389,246,414.57
  5. Step 5: Solve for x
    x = 19,389,246,414.57/174,078.76
  6. Step 6: Final answer
    x = 111,382.03

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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.