Home / 277,874.07-415,669.32-221,823.65

Finding the Fourth Proportional to 277,874.07, 415,669.32 and 221,823.65

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Solution

The fourth proportional to 277,874.07, 415,669.32 and 221,823.65 is: 331,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,874.07 : 415,669.32 = 221,823.65 : x
  2. Step 2: Convert to fraction form
    277,874.07/415,669.32 = 221,823.65/x
  3. Step 3: Cross multiply
    277,874.07x = 415,669.32 × 221,823.65
  4. Step 4: Simplify right side
    277,874.07x = 92,205,285,755.42
  5. Step 5: Solve for x
    x = 92,205,285,755.42/277,874.07
  6. Step 6: Final answer
    x = 331,824.00

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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.