Home / 202,350.34-303,540.18-77,691.34

Finding the Fourth Proportional to 202,350.34, 303,540.18 and 77,691.34

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Solution

The fourth proportional to 202,350.34, 303,540.18 and 77,691.34 is: 116,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,350.34 : 303,540.18 = 77,691.34 : x
  2. Step 2: Convert to fraction form
    202,350.34/303,540.18 = 77,691.34/x
  3. Step 3: Cross multiply
    202,350.34x = 303,540.18 × 77,691.34
  4. Step 4: Simplify right side
    202,350.34x = 23,582,443,328.04
  5. Step 5: Solve for x
    x = 23,582,443,328.04/202,350.34
  6. Step 6: Final answer
    x = 116,542.64

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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.