Home / 147,766.94-203,923.27-80,698.94

Finding the Fourth Proportional to 147,766.94, 203,923.27 and 80,698.94

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Solution

The fourth proportional to 147,766.94, 203,923.27 and 80,698.94 is: 111,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,766.94 : 203,923.27 = 80,698.94 : x
  2. Step 2: Convert to fraction form
    147,766.94/203,923.27 = 80,698.94/x
  3. Step 3: Cross multiply
    147,766.94x = 203,923.27 × 80,698.94
  4. Step 4: Simplify right side
    147,766.94x = 16,456,391,730.33
  5. Step 5: Solve for x
    x = 16,456,391,730.33/147,766.94
  6. Step 6: Final answer
    x = 111,367.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.