Home / 168,940.40-253,535.43-136,057.33

Finding the Fourth Proportional to 168,940.40, 253,535.43 and 136,057.33

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Solution

The fourth proportional to 168,940.40, 253,535.43 and 136,057.33 is: 204,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,940.40 : 253,535.43 = 136,057.33 : x
  2. Step 2: Convert to fraction form
    168,940.40/253,535.43 = 136,057.33/x
  3. Step 3: Cross multiply
    168,940.40x = 253,535.43 × 136,057.33
  4. Step 4: Simplify right side
    168,940.40x = 34,495,354,493.34
  5. Step 5: Solve for x
    x = 34,495,354,493.34/168,940.40
  6. Step 6: Final answer
    x = 204,186.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.