Home / 277,215.24-415,874.11-87,723.30

Finding the Fourth Proportional to 277,215.24, 415,874.11 and 87,723.30

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Solution

The fourth proportional to 277,215.24, 415,874.11 and 87,723.30 is: 131,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,215.24 : 415,874.11 = 87,723.30 : x
  2. Step 2: Convert to fraction form
    277,215.24/415,874.11 = 87,723.30/x
  3. Step 3: Cross multiply
    277,215.24x = 415,874.11 × 87,723.30
  4. Step 4: Simplify right side
    277,215.24x = 36,481,850,941.82
  5. Step 5: Solve for x
    x = 36,481,850,941.82/277,215.24
  6. Step 6: Final answer
    x = 131,601.18

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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.