Home / 182,712.32-273,919.36-81,436.16

Finding the Fourth Proportional to 182,712.32, 273,919.36 and 81,436.16

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Solution

The fourth proportional to 182,712.32, 273,919.36 and 81,436.16 is: 122,087.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,712.32 : 273,919.36 = 81,436.16 : x
  2. Step 2: Convert to fraction form
    182,712.32/273,919.36 = 81,436.16/x
  3. Step 3: Cross multiply
    182,712.32x = 273,919.36 × 81,436.16
  4. Step 4: Simplify right side
    182,712.32x = 22,306,940,828.06
  5. Step 5: Solve for x
    x = 22,306,940,828.06/182,712.32
  6. Step 6: Final answer
    x = 122,087.78

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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.