Home / 172,204.97-258,307.85-53,876.52

Finding the Fourth Proportional to 172,204.97, 258,307.85 and 53,876.52

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Solution

The fourth proportional to 172,204.97, 258,307.85 and 53,876.52 is: 80,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,204.97 : 258,307.85 = 53,876.52 : x
  2. Step 2: Convert to fraction form
    172,204.97/258,307.85 = 53,876.52/x
  3. Step 3: Cross multiply
    172,204.97x = 258,307.85 × 53,876.52
  4. Step 4: Simplify right side
    172,204.97x = 13,916,728,181.37
  5. Step 5: Solve for x
    x = 13,916,728,181.37/172,204.97
  6. Step 6: Final answer
    x = 80,814.91

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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.