Home / 465,109.84-641,843.40-261,162.37

Finding the Fourth Proportional to 465,109.84, 641,843.40 and 261,162.37

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Solution

The fourth proportional to 465,109.84, 641,843.40 and 261,162.37 is: 360,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,109.84 : 641,843.40 = 261,162.37 : x
  2. Step 2: Convert to fraction form
    465,109.84/641,843.40 = 261,162.37/x
  3. Step 3: Cross multiply
    465,109.84x = 641,843.40 × 261,162.37
  4. Step 4: Simplify right side
    465,109.84x = 167,625,343,512.86
  5. Step 5: Solve for x
    x = 167,625,343,512.86/465,109.84
  6. Step 6: Final answer
    x = 360,399.48

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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.