Home / 263,854.20-395,090.10-193,351.80

Finding the Fourth Proportional to 263,854.20, 395,090.10 and 193,351.80

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Solution

The fourth proportional to 263,854.20, 395,090.10 and 193,351.80 is: 289,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,854.20 : 395,090.10 = 193,351.80 : x
  2. Step 2: Convert to fraction form
    263,854.20/395,090.10 = 193,351.80/x
  3. Step 3: Cross multiply
    263,854.20x = 395,090.10 × 193,351.80
  4. Step 4: Simplify right side
    263,854.20x = 76,391,381,997.18
  5. Step 5: Solve for x
    x = 76,391,381,997.18/263,854.20
  6. Step 6: Final answer
    x = 289,521.19

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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.