Home / 202,291.20-303,521.85-108,687.60

Finding the Fourth Proportional to 202,291.20, 303,521.85 and 108,687.60

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Solution

The fourth proportional to 202,291.20, 303,521.85 and 108,687.60 is: 163,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,291.20 : 303,521.85 = 108,687.60 : x
  2. Step 2: Convert to fraction form
    202,291.20/303,521.85 = 108,687.60/x
  3. Step 3: Cross multiply
    202,291.20x = 303,521.85 × 108,687.60
  4. Step 4: Simplify right side
    202,291.20x = 32,989,061,424.06
  5. Step 5: Solve for x
    x = 32,989,061,424.06/202,291.20
  6. Step 6: Final answer
    x = 163,077.10

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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.