Home / 196,874.20-295,311.30-163,631.80

Finding the Fourth Proportional to 196,874.20, 295,311.30 and 163,631.80

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Solution

The fourth proportional to 196,874.20, 295,311.30 and 163,631.80 is: 245,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,874.20 : 295,311.30 = 163,631.80 : x
  2. Step 2: Convert to fraction form
    196,874.20/295,311.30 = 163,631.80/x
  3. Step 3: Cross multiply
    196,874.20x = 295,311.30 × 163,631.80
  4. Step 4: Simplify right side
    196,874.20x = 48,322,319,579.34
  5. Step 5: Solve for x
    x = 48,322,319,579.34/196,874.20
  6. Step 6: Final answer
    x = 245,447.70

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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.