Home / 332,619.67-498,922.43-107,979.78

Finding the Fourth Proportional to 332,619.67, 498,922.43 and 107,979.78

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Solution

The fourth proportional to 332,619.67, 498,922.43 and 107,979.78 is: 161,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,619.67 : 498,922.43 = 107,979.78 : x
  2. Step 2: Convert to fraction form
    332,619.67/498,922.43 = 107,979.78/x
  3. Step 3: Cross multiply
    332,619.67x = 498,922.43 × 107,979.78
  4. Step 4: Simplify right side
    332,619.67x = 53,873,534,228.47
  5. Step 5: Solve for x
    x = 53,873,534,228.47/332,619.67
  6. Step 6: Final answer
    x = 161,967.38

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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.