Home / 185,175.53-255,542.57-100,292.61

Finding the Fourth Proportional to 185,175.53, 255,542.57 and 100,292.61

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Solution

The fourth proportional to 185,175.53, 255,542.57 and 100,292.61 is: 138,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,175.53 : 255,542.57 = 100,292.61 : x
  2. Step 2: Convert to fraction form
    185,175.53/255,542.57 = 100,292.61/x
  3. Step 3: Cross multiply
    185,175.53x = 255,542.57 × 100,292.61
  4. Step 4: Simplify right side
    185,175.53x = 25,629,030,809.94
  5. Step 5: Solve for x
    x = 25,629,030,809.94/185,175.53
  6. Step 6: Final answer
    x = 138,403.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.