Home / 343,584.26-515,409.18-106,863.38

Finding the Fourth Proportional to 343,584.26, 515,409.18 and 106,863.38

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Solution

The fourth proportional to 343,584.26, 515,409.18 and 106,863.38 is: 160,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,584.26 : 515,409.18 = 106,863.38 : x
  2. Step 2: Convert to fraction form
    343,584.26/515,409.18 = 106,863.38/x
  3. Step 3: Cross multiply
    343,584.26x = 515,409.18 × 106,863.38
  4. Step 4: Simplify right side
    343,584.26x = 55,078,367,057.83
  5. Step 5: Solve for x
    x = 55,078,367,057.83/343,584.26
  6. Step 6: Final answer
    x = 160,305.27

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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.