Home / 219,772.30-329,658.45-204,025.90

Finding the Fourth Proportional to 219,772.30, 329,658.45 and 204,025.90

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Solution

The fourth proportional to 219,772.30, 329,658.45 and 204,025.90 is: 306,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,772.30 : 329,658.45 = 204,025.90 : x
  2. Step 2: Convert to fraction form
    219,772.30/329,658.45 = 204,025.90/x
  3. Step 3: Cross multiply
    219,772.30x = 329,658.45 × 204,025.90
  4. Step 4: Simplify right side
    219,772.30x = 67,258,861,953.86
  5. Step 5: Solve for x
    x = 67,258,861,953.86/219,772.30
  6. Step 6: Final answer
    x = 306,038.85

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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.