Home / 263,488.30-363,823.44-243,337.78

Finding the Fourth Proportional to 263,488.30, 363,823.44 and 243,337.78

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Solution

The fourth proportional to 263,488.30, 363,823.44 and 243,337.78 is: 335,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,488.30 : 363,823.44 = 243,337.78 : x
  2. Step 2: Convert to fraction form
    263,488.30/363,823.44 = 243,337.78/x
  3. Step 3: Cross multiply
    263,488.30x = 363,823.44 × 243,337.78
  4. Step 4: Simplify right side
    263,488.30x = 88,531,988,201.56
  5. Step 5: Solve for x
    x = 88,531,988,201.56/263,488.30
  6. Step 6: Final answer
    x = 335,999.69

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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.