Home / 263,475.27-363,805.47-243,324.78

Finding the Fourth Proportional to 263,475.27, 363,805.47 and 243,324.78

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Solution

The fourth proportional to 263,475.27, 363,805.47 and 243,324.78 is: 335,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,475.27 : 363,805.47 = 243,324.78 : x
  2. Step 2: Convert to fraction form
    263,475.27/363,805.47 = 243,324.78/x
  3. Step 3: Cross multiply
    263,475.27x = 363,805.47 × 243,324.78
  4. Step 4: Simplify right side
    263,475.27x = 88,522,885,950.55
  5. Step 5: Solve for x
    x = 88,522,885,950.55/263,475.27
  6. Step 6: Final answer
    x = 335,981.76

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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.