Home / 274,285.75-378,542.84-158,003.22

Finding the Fourth Proportional to 274,285.75, 378,542.84 and 158,003.22

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Solution

The fourth proportional to 274,285.75, 378,542.84 and 158,003.22 is: 218,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,285.75 : 378,542.84 = 158,003.22 : x
  2. Step 2: Convert to fraction form
    274,285.75/378,542.84 = 158,003.22/x
  3. Step 3: Cross multiply
    274,285.75x = 378,542.84 × 158,003.22
  4. Step 4: Simplify right side
    274,285.75x = 59,810,987,627.94
  5. Step 5: Solve for x
    x = 59,810,987,627.94/274,285.75
  6. Step 6: Final answer
    x = 218,060.86

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1.5x scale

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.