Home / 263,982.05-363,942.82-209,714.28

Finding the Fourth Proportional to 263,982.05, 363,942.82 and 209,714.28

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Solution

The fourth proportional to 263,982.05, 363,942.82 and 209,714.28 is: 289,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,982.05 : 363,942.82 = 209,714.28 : x
  2. Step 2: Convert to fraction form
    263,982.05/363,942.82 = 209,714.28/x
  3. Step 3: Cross multiply
    263,982.05x = 363,942.82 × 209,714.28
  4. Step 4: Simplify right side
    263,982.05x = 76,324,007,402.01
  5. Step 5: Solve for x
    x = 76,324,007,402.01/263,982.05
  6. Step 6: Final answer
    x = 289,125.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.