Home / 321,240.29-443,255.41-183,356.26

Finding the Fourth Proportional to 321,240.29, 443,255.41 and 183,356.26

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Solution

The fourth proportional to 321,240.29, 443,255.41 and 183,356.26 is: 252,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,240.29 : 443,255.41 = 183,356.26 : x
  2. Step 2: Convert to fraction form
    321,240.29/443,255.41 = 183,356.26/x
  3. Step 3: Cross multiply
    321,240.29x = 443,255.41 × 183,356.26
  4. Step 4: Simplify right side
    321,240.29x = 81,273,656,644.09
  5. Step 5: Solve for x
    x = 81,273,656,644.09/321,240.29
  6. Step 6: Final answer
    x = 252,999.57

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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.