Home / 412,948.53-619,364.48-132,429.33

Finding the Fourth Proportional to 412,948.53, 619,364.48 and 132,429.33

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Solution

The fourth proportional to 412,948.53, 619,364.48 and 132,429.33 is: 198,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,948.53 : 619,364.48 = 132,429.33 : x
  2. Step 2: Convert to fraction form
    412,948.53/619,364.48 = 132,429.33/x
  3. Step 3: Cross multiply
    412,948.53x = 619,364.48 × 132,429.33
  4. Step 4: Simplify right side
    412,948.53x = 82,022,022,450.05
  5. Step 5: Solve for x
    x = 82,022,022,450.05/412,948.53
  6. Step 6: Final answer
    x = 198,625.29

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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.