Home / 202,287.20-303,515.85-108,683.60

Finding the Fourth Proportional to 202,287.20, 303,515.85 and 108,683.60

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Solution

The fourth proportional to 202,287.20, 303,515.85 and 108,683.60 is: 163,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,287.20 : 303,515.85 = 108,683.60 : x
  2. Step 2: Convert to fraction form
    202,287.20/303,515.85 = 108,683.60/x
  3. Step 3: Cross multiply
    202,287.20x = 303,515.85 × 108,683.60
  4. Step 4: Simplify right side
    202,287.20x = 32,987,195,235.06
  5. Step 5: Solve for x
    x = 32,987,195,235.06/202,287.20
  6. Step 6: Final answer
    x = 163,071.10

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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.