Home / 150,578.36-225,685.22-83,947.72

Finding the Fourth Proportional to 150,578.36, 225,685.22 and 83,947.72

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Solution

The fourth proportional to 150,578.36, 225,685.22 and 83,947.72 is: 125,819.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,578.36 : 225,685.22 = 83,947.72 : x
  2. Step 2: Convert to fraction form
    150,578.36/225,685.22 = 83,947.72/x
  3. Step 3: Cross multiply
    150,578.36x = 225,685.22 × 83,947.72
  4. Step 4: Simplify right side
    150,578.36x = 18,945,759,656.70
  5. Step 5: Solve for x
    x = 18,945,759,656.70/150,578.36
  6. Step 6: Final answer
    x = 125,819.94

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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.