Home / 196,965.60-295,522.84-77,108.20

Finding the Fourth Proportional to 196,965.60, 295,522.84 and 77,108.20

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Solution

The fourth proportional to 196,965.60, 295,522.84 and 77,108.20 is: 115,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,965.60 : 295,522.84 = 77,108.20 : x
  2. Step 2: Convert to fraction form
    196,965.60/295,522.84 = 77,108.20/x
  3. Step 3: Cross multiply
    196,965.60x = 295,522.84 × 77,108.20
  4. Step 4: Simplify right side
    196,965.60x = 22,787,234,251.29
  5. Step 5: Solve for x
    x = 22,787,234,251.29/196,965.60
  6. Step 6: Final answer
    x = 115,691.44

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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.