Home / 179,809.76-248,086.32-108,153.92

Finding the Fourth Proportional to 179,809.76, 248,086.32 and 108,153.92

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Solution

The fourth proportional to 179,809.76, 248,086.32 and 108,153.92 is: 149,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,809.76 : 248,086.32 = 108,153.92 : x
  2. Step 2: Convert to fraction form
    179,809.76/248,086.32 = 108,153.92/x
  3. Step 3: Cross multiply
    179,809.76x = 248,086.32 × 108,153.92
  4. Step 4: Simplify right side
    179,809.76x = 26,831,508,006.37
  5. Step 5: Solve for x
    x = 26,831,508,006.37/179,809.76
  6. Step 6: Final answer
    x = 149,221.64

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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.