Home / 439,986.60-659,382.92-186,949.80

Finding the Fourth Proportional to 439,986.60, 659,382.92 and 186,949.80

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Solution

The fourth proportional to 439,986.60, 659,382.92 and 186,949.80 is: 280,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,986.60 : 659,382.92 = 186,949.80 : x
  2. Step 2: Convert to fraction form
    439,986.60/659,382.92 = 186,949.80/x
  3. Step 3: Cross multiply
    439,986.60x = 659,382.92 × 186,949.80
  4. Step 4: Simplify right side
    439,986.60x = 123,271,505,017.42
  5. Step 5: Solve for x
    x = 123,271,505,017.42/439,986.60
  6. Step 6: Final answer
    x = 280,171.04

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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.