Home / 277,049.08-415,597.20-87,458.73

Finding the Fourth Proportional to 277,049.08, 415,597.20 and 87,458.73

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Solution

The fourth proportional to 277,049.08, 415,597.20 and 87,458.73 is: 131,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,049.08 : 415,597.20 = 87,458.73 : x
  2. Step 2: Convert to fraction form
    277,049.08/415,597.20 = 87,458.73/x
  3. Step 3: Cross multiply
    277,049.08x = 415,597.20 × 87,458.73
  4. Step 4: Simplify right side
    277,049.08x = 36,347,603,303.56
  5. Step 5: Solve for x
    x = 36,347,603,303.56/277,049.08
  6. Step 6: Final answer
    x = 131,195.54

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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.