Home / 263,502.19-395,264.22-76,513.69

Finding the Fourth Proportional to 263,502.19, 395,264.22 and 76,513.69

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Solution

The fourth proportional to 263,502.19, 395,264.22 and 76,513.69 is: 114,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,502.19 : 395,264.22 = 76,513.69 : x
  2. Step 2: Convert to fraction form
    263,502.19/395,264.22 = 76,513.69/x
  3. Step 3: Cross multiply
    263,502.19x = 395,264.22 × 76,513.69
  4. Step 4: Simplify right side
    263,502.19x = 30,243,123,009.01
  5. Step 5: Solve for x
    x = 30,243,123,009.01/263,502.19
  6. Step 6: Final answer
    x = 114,773.71

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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.