Home / 465,185.26-641,971.16-261,272.11

Finding the Fourth Proportional to 465,185.26, 641,971.16 and 261,272.11

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Solution

The fourth proportional to 465,185.26, 641,971.16 and 261,272.11 is: 360,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,185.26 : 641,971.16 = 261,272.11 : x
  2. Step 2: Convert to fraction form
    465,185.26/641,971.16 = 261,272.11/x
  3. Step 3: Cross multiply
    465,185.26x = 641,971.16 × 261,272.11
  4. Step 4: Simplify right side
    465,185.26x = 167,729,159,532.35
  5. Step 5: Solve for x
    x = 167,729,159,532.35/465,185.26
  6. Step 6: Final answer
    x = 360,564.22

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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.