Home / 219,761.37-329,641.92-79,487.19

Finding the Fourth Proportional to 219,761.37, 329,641.92 and 79,487.19

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Solution

The fourth proportional to 219,761.37, 329,641.92 and 79,487.19 is: 119,230.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,761.37 : 329,641.92 = 79,487.19 : x
  2. Step 2: Convert to fraction form
    219,761.37/329,641.92 = 79,487.19/x
  3. Step 3: Cross multiply
    219,761.37x = 329,641.92 × 79,487.19
  4. Step 4: Simplify right side
    219,761.37x = 26,202,309,927.00
  5. Step 5: Solve for x
    x = 26,202,309,927.00/219,761.37
  6. Step 6: Final answer
    x = 119,230.74

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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.