Home / 263,502.07-395,264.04-76,513.57

Finding the Fourth Proportional to 263,502.07, 395,264.04 and 76,513.57

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Solution

The fourth proportional to 263,502.07, 395,264.04 and 76,513.57 is: 114,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,502.07 : 395,264.04 = 76,513.57 : x
  2. Step 2: Convert to fraction form
    263,502.07/395,264.04 = 76,513.57/x
  3. Step 3: Cross multiply
    263,502.07x = 395,264.04 × 76,513.57
  4. Step 4: Simplify right side
    263,502.07x = 30,243,062,793.02
  5. Step 5: Solve for x
    x = 30,243,062,793.02/263,502.07
  6. Step 6: Final answer
    x = 114,773.53

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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.