Home / 168,954.03-253,501.52-74,135.23

Finding the Fourth Proportional to 168,954.03, 253,501.52 and 74,135.23

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Solution

The fourth proportional to 168,954.03, 253,501.52 and 74,135.23 is: 111,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,954.03 : 253,501.52 = 74,135.23 : x
  2. Step 2: Convert to fraction form
    168,954.03/253,501.52 = 74,135.23/x
  3. Step 3: Cross multiply
    168,954.03x = 253,501.52 × 74,135.23
  4. Step 4: Simplify right side
    168,954.03x = 18,793,392,486.12
  5. Step 5: Solve for x
    x = 18,793,392,486.12/168,954.03
  6. Step 6: Final answer
    x = 111,233.76

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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.