Home / 221,977.89-306,576.77-205,181.73

Finding the Fourth Proportional to 221,977.89, 306,576.77 and 205,181.73

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Solution

The fourth proportional to 221,977.89, 306,576.77 and 205,181.73 is: 283,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,977.89 : 306,576.77 = 205,181.73 : x
  2. Step 2: Convert to fraction form
    221,977.89/306,576.77 = 205,181.73/x
  3. Step 3: Cross multiply
    221,977.89x = 306,576.77 × 205,181.73
  4. Step 4: Simplify right side
    221,977.89x = 62,903,951,020.50
  5. Step 5: Solve for x
    x = 62,903,951,020.50/221,977.89
  6. Step 6: Final answer
    x = 283,379.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.