Home / 218,976.52-302,197.96-123,481.16

Finding the Fourth Proportional to 218,976.52, 302,197.96 and 123,481.16

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Solution

The fourth proportional to 218,976.52, 302,197.96 and 123,481.16 is: 170,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,976.52 : 302,197.96 = 123,481.16 : x
  2. Step 2: Convert to fraction form
    218,976.52/302,197.96 = 123,481.16/x
  3. Step 3: Cross multiply
    218,976.52x = 302,197.96 × 123,481.16
  4. Step 4: Simplify right side
    218,976.52x = 37,315,754,650.43
  5. Step 5: Solve for x
    x = 37,315,754,650.43/218,976.52
  6. Step 6: Final answer
    x = 170,409.84

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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.