Home / 383,194.22-528,817.55-213,431.18

Finding the Fourth Proportional to 383,194.22, 528,817.55 and 213,431.18

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Solution

The fourth proportional to 383,194.22, 528,817.55 and 213,431.18 is: 294,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,194.22 : 528,817.55 = 213,431.18 : x
  2. Step 2: Convert to fraction form
    383,194.22/528,817.55 = 213,431.18/x
  3. Step 3: Cross multiply
    383,194.22x = 528,817.55 × 213,431.18
  4. Step 4: Simplify right side
    383,194.22x = 112,866,149,989.97
  5. Step 5: Solve for x
    x = 112,866,149,989.97/383,194.22
  6. Step 6: Final answer
    x = 294,540.33

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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.