Home / 258,520.26-387,895.73-132,093.96

Finding the Fourth Proportional to 258,520.26, 387,895.73 and 132,093.96

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Solution

The fourth proportional to 258,520.26, 387,895.73 and 132,093.96 is: 198,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,520.26 : 387,895.73 = 132,093.96 : x
  2. Step 2: Convert to fraction form
    258,520.26/387,895.73 = 132,093.96/x
  3. Step 3: Cross multiply
    258,520.26x = 387,895.73 × 132,093.96
  4. Step 4: Simplify right side
    258,520.26x = 51,238,683,042.79
  5. Step 5: Solve for x
    x = 51,238,683,042.79/258,520.26
  6. Step 6: Final answer
    x = 198,199.87

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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.