Home / 219,682.20-329,577.30-61,908.60

Finding the Fourth Proportional to 219,682.20, 329,577.30 and 61,908.60

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Solution

The fourth proportional to 219,682.20, 329,577.30 and 61,908.60 is: 92,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,682.20 : 329,577.30 = 61,908.60 : x
  2. Step 2: Convert to fraction form
    219,682.20/329,577.30 = 61,908.60/x
  3. Step 3: Cross multiply
    219,682.20x = 329,577.30 × 61,908.60
  4. Step 4: Simplify right side
    219,682.20x = 20,403,669,234.78
  5. Step 5: Solve for x
    x = 20,403,669,234.78/219,682.20
  6. Step 6: Final answer
    x = 92,878.12

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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.