Home / 206,582.20-309,873.30-194,140.60

Finding the Fourth Proportional to 206,582.20, 309,873.30 and 194,140.60

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Solution

The fourth proportional to 206,582.20, 309,873.30 and 194,140.60 is: 291,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,582.20 : 309,873.30 = 194,140.60 : x
  2. Step 2: Convert to fraction form
    206,582.20/309,873.30 = 194,140.60/x
  3. Step 3: Cross multiply
    206,582.20x = 309,873.30 × 194,140.60
  4. Step 4: Simplify right side
    206,582.20x = 60,158,988,385.98
  5. Step 5: Solve for x
    x = 60,158,988,385.98/206,582.20
  6. Step 6: Final answer
    x = 291,210.90

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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.