Home / 185,868.26-256,503.78-131,517.87

Finding the Fourth Proportional to 185,868.26, 256,503.78 and 131,517.87

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Solution

The fourth proportional to 185,868.26, 256,503.78 and 131,517.87 is: 181,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,868.26 : 256,503.78 = 131,517.87 : x
  2. Step 2: Convert to fraction form
    185,868.26/256,503.78 = 131,517.87/x
  3. Step 3: Cross multiply
    185,868.26x = 256,503.78 × 131,517.87
  4. Step 4: Simplify right side
    185,868.26x = 33,734,830,792.55
  5. Step 5: Solve for x
    x = 33,734,830,792.55/185,868.26
  6. Step 6: Final answer
    x = 181,498.61

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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.