Home / 219,753.56-331,277.45-205,106.04

Finding the Fourth Proportional to 219,753.56, 331,277.45 and 205,106.04

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Solution

The fourth proportional to 219,753.56, 331,277.45 and 205,106.04 is: 309,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,753.56 : 331,277.45 = 205,106.04 : x
  2. Step 2: Convert to fraction form
    219,753.56/331,277.45 = 205,106.04/x
  3. Step 3: Cross multiply
    219,753.56x = 331,277.45 × 205,106.04
  4. Step 4: Simplify right side
    219,753.56x = 67,947,004,885.27
  5. Step 5: Solve for x
    x = 67,947,004,885.27/219,753.56
  6. Step 6: Final answer
    x = 309,196.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.