Home / 219,515.22-329,238.34-69,735.83

Finding the Fourth Proportional to 219,515.22, 329,238.34 and 69,735.83

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Solution

The fourth proportional to 219,515.22, 329,238.34 and 69,735.83 is: 104,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,515.22 : 329,238.34 = 69,735.83 : x
  2. Step 2: Convert to fraction form
    219,515.22/329,238.34 = 69,735.83/x
  3. Step 3: Cross multiply
    219,515.22x = 329,238.34 × 69,735.83
  4. Step 4: Simplify right side
    219,515.22x = 22,959,707,087.19
  5. Step 5: Solve for x
    x = 22,959,707,087.19/219,515.22
  6. Step 6: Final answer
    x = 104,592.78

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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.