Home / 219,954.08-329,865.26-114,715.64

Finding the Fourth Proportional to 219,954.08, 329,865.26 and 114,715.64

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Solution

The fourth proportional to 219,954.08, 329,865.26 and 114,715.64 is: 172,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,954.08 : 329,865.26 = 114,715.64 : x
  2. Step 2: Convert to fraction form
    219,954.08/329,865.26 = 114,715.64/x
  3. Step 3: Cross multiply
    219,954.08x = 329,865.26 × 114,715.64
  4. Step 4: Simplify right side
    219,954.08x = 37,840,704,414.67
  5. Step 5: Solve for x
    x = 37,840,704,414.67/219,954.08
  6. Step 6: Final answer
    x = 172,039.11

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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.