Home / 179,112.92-247,177.89-102,630.50

Finding the Fourth Proportional to 179,112.92, 247,177.89 and 102,630.50

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Solution

The fourth proportional to 179,112.92, 247,177.89 and 102,630.50 is: 141,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,112.92 : 247,177.89 = 102,630.50 : x
  2. Step 2: Convert to fraction form
    179,112.92/247,177.89 = 102,630.50/x
  3. Step 3: Cross multiply
    179,112.92x = 247,177.89 × 102,630.50
  4. Step 4: Simplify right side
    179,112.92x = 25,367,990,439.65
  5. Step 5: Solve for x
    x = 25,367,990,439.65/179,112.92
  6. Step 6: Final answer
    x = 141,631.27

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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.