Home / 179,716.92-247,964.78-118,456.32

Finding the Fourth Proportional to 179,716.92, 247,964.78 and 118,456.32

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Solution

The fourth proportional to 179,716.92, 247,964.78 and 118,456.32 is: 163,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,716.92 : 247,964.78 = 118,456.32 : x
  2. Step 2: Convert to fraction form
    179,716.92/247,964.78 = 118,456.32/x
  3. Step 3: Cross multiply
    179,716.92x = 247,964.78 × 118,456.32
  4. Step 4: Simplify right side
    179,716.92x = 29,372,994,736.13
  5. Step 5: Solve for x
    x = 29,372,994,736.13/179,716.92
  6. Step 6: Final answer
    x = 163,440.34

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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.