Home / 274,777.06-412,224.75-85,233.61

Finding the Fourth Proportional to 274,777.06, 412,224.75 and 85,233.61

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Solution

The fourth proportional to 274,777.06, 412,224.75 and 85,233.61 is: 127,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,777.06 : 412,224.75 = 85,233.61 : x
  2. Step 2: Convert to fraction form
    274,777.06/412,224.75 = 85,233.61/x
  3. Step 3: Cross multiply
    274,777.06x = 412,224.75 × 85,233.61
  4. Step 4: Simplify right side
    274,777.06x = 35,135,403,573.85
  5. Step 5: Solve for x
    x = 35,135,403,573.85/274,777.06
  6. Step 6: Final answer
    x = 127,868.77

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1.5x scale

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.