Home / 321,093.19-443,108.60-177,862.51

Finding the Fourth Proportional to 321,093.19, 443,108.60 and 177,862.51

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Solution

The fourth proportional to 321,093.19, 443,108.60 and 177,862.51 is: 245,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,093.19 : 443,108.60 = 177,862.51 : x
  2. Step 2: Convert to fraction form
    321,093.19/443,108.60 = 177,862.51/x
  3. Step 3: Cross multiply
    321,093.19x = 443,108.60 × 177,862.51
  4. Step 4: Simplify right side
    321,093.19x = 78,812,407,135.47
  5. Step 5: Solve for x
    x = 78,812,407,135.47/321,093.19
  6. Step 6: Final answer
    x = 245,450.26

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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.