Home / 219,660.04-329,491.82-143,822.51

Finding the Fourth Proportional to 219,660.04, 329,491.82 and 143,822.51

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Solution

The fourth proportional to 219,660.04, 329,491.82 and 143,822.51 is: 215,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,660.04 : 329,491.82 = 143,822.51 : x
  2. Step 2: Convert to fraction form
    219,660.04/329,491.82 = 143,822.51/x
  3. Step 3: Cross multiply
    219,660.04x = 329,491.82 × 143,822.51
  4. Step 4: Simplify right side
    219,660.04x = 47,388,340,576.87
  5. Step 5: Solve for x
    x = 47,388,340,576.87/219,660.04
  6. Step 6: Final answer
    x = 215,734.92

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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.