Home / 276,192.06-381,087.90-161,448.54

Finding the Fourth Proportional to 276,192.06, 381,087.90 and 161,448.54

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Solution

The fourth proportional to 276,192.06, 381,087.90 and 161,448.54 is: 222,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,192.06 : 381,087.90 = 161,448.54 : x
  2. Step 2: Convert to fraction form
    276,192.06/381,087.90 = 161,448.54/x
  3. Step 3: Cross multiply
    276,192.06x = 381,087.90 × 161,448.54
  4. Step 4: Simplify right side
    276,192.06x = 61,526,085,066.67
  5. Step 5: Solve for x
    x = 61,526,085,066.67/276,192.06
  6. Step 6: Final answer
    x = 222,765.58

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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.