Home / 219,764.54-329,915.97-144,947.27

Finding the Fourth Proportional to 219,764.54, 329,915.97 and 144,947.27

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Solution

The fourth proportional to 219,764.54, 329,915.97 and 144,947.27 is: 217,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,764.54 : 329,915.97 = 144,947.27 : x
  2. Step 2: Convert to fraction form
    219,764.54/329,915.97 = 144,947.27/x
  3. Step 3: Cross multiply
    219,764.54x = 329,915.97 × 144,947.27
  4. Step 4: Simplify right side
    219,764.54x = 47,820,420,005.69
  5. Step 5: Solve for x
    x = 47,820,420,005.69/219,764.54
  6. Step 6: Final answer
    x = 217,598.43

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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.