Home / 196,821.20-295,231.80-113,877.20

Finding the Fourth Proportional to 196,821.20, 295,231.80 and 113,877.20

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Solution

The fourth proportional to 196,821.20, 295,231.80 and 113,877.20 is: 170,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,821.20 : 295,231.80 = 113,877.20 : x
  2. Step 2: Convert to fraction form
    196,821.20/295,231.80 = 113,877.20/x
  3. Step 3: Cross multiply
    196,821.20x = 295,231.80 × 113,877.20
  4. Step 4: Simplify right side
    196,821.20x = 33,620,170,734.96
  5. Step 5: Solve for x
    x = 33,620,170,734.96/196,821.20
  6. Step 6: Final answer
    x = 170,815.80

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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.