Home / 219,474.09-329,146.20-93,112.74

Finding the Fourth Proportional to 219,474.09, 329,146.20 and 93,112.74

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Solution

The fourth proportional to 219,474.09, 329,146.20 and 93,112.74 is: 139,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,474.09 : 329,146.20 = 93,112.74 : x
  2. Step 2: Convert to fraction form
    219,474.09/329,146.20 = 93,112.74/x
  3. Step 3: Cross multiply
    219,474.09x = 329,146.20 × 93,112.74
  4. Step 4: Simplify right side
    219,474.09x = 30,647,704,542.59
  5. Step 5: Solve for x
    x = 30,647,704,542.59/219,474.09
  6. Step 6: Final answer
    x = 139,641.56

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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.