Home / 219,753.92-329,638.98-61,986.58

Finding the Fourth Proportional to 219,753.92, 329,638.98 and 61,986.58

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Solution

The fourth proportional to 219,753.92, 329,638.98 and 61,986.58 is: 92,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,753.92 : 329,638.98 = 61,986.58 : x
  2. Step 2: Convert to fraction form
    219,753.92/329,638.98 = 61,986.58/x
  3. Step 3: Cross multiply
    219,753.92x = 329,638.98 × 61,986.58
  4. Step 4: Simplify right side
    219,753.92x = 20,433,193,004.89
  5. Step 5: Solve for x
    x = 20,433,193,004.89/219,753.92
  6. Step 6: Final answer
    x = 92,982.15

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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.