Home / 198,334.65-297,629.55-109,651.80

Finding the Fourth Proportional to 198,334.65, 297,629.55 and 109,651.80

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Solution

The fourth proportional to 198,334.65, 297,629.55 and 109,651.80 is: 164,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,334.65 : 297,629.55 = 109,651.80 : x
  2. Step 2: Convert to fraction form
    198,334.65/297,629.55 = 109,651.80/x
  3. Step 3: Cross multiply
    198,334.65x = 297,629.55 × 109,651.80
  4. Step 4: Simplify right side
    198,334.65x = 32,635,615,890.69
  5. Step 5: Solve for x
    x = 32,635,615,890.69/198,334.65
  6. Step 6: Final answer
    x = 164,548.23

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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.