Home / 277,343.91-416,078.19-87,815.61

Finding the Fourth Proportional to 277,343.91, 416,078.19 and 87,815.61

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Solution

The fourth proportional to 277,343.91, 416,078.19 and 87,815.61 is: 131,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,343.91 : 416,078.19 = 87,815.61 : x
  2. Step 2: Convert to fraction form
    277,343.91/416,078.19 = 87,815.61/x
  3. Step 3: Cross multiply
    277,343.91x = 416,078.19 × 87,815.61
  4. Step 4: Simplify right side
    277,343.91x = 36,538,160,062.55
  5. Step 5: Solve for x
    x = 36,538,160,062.55/277,343.91
  6. Step 6: Final answer
    x = 131,743.15

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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.