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Finding the Fourth Proportional to 196,820.20, 295,230.30 and 113,876.20

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Solution

The fourth proportional to 196,820.20, 295,230.30 and 113,876.20 is: 170,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,820.20 : 295,230.30 = 113,876.20 : x
  2. Step 2: Convert to fraction form
    196,820.20/295,230.30 = 113,876.20/x
  3. Step 3: Cross multiply
    196,820.20x = 295,230.30 × 113,876.20
  4. Step 4: Simplify right side
    196,820.20x = 33,619,704,688.86
  5. Step 5: Solve for x
    x = 33,619,704,688.86/196,820.20
  6. Step 6: Final answer
    x = 170,814.30

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1.5x scale

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.