Home / 168,922.80-253,401.89-69,067.08

Finding the Fourth Proportional to 168,922.80, 253,401.89 and 69,067.08

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Solution

The fourth proportional to 168,922.80, 253,401.89 and 69,067.08 is: 103,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,922.80 : 253,401.89 = 69,067.08 : x
  2. Step 2: Convert to fraction form
    168,922.80/253,401.89 = 69,067.08/x
  3. Step 3: Cross multiply
    168,922.80x = 253,401.89 × 69,067.08
  4. Step 4: Simplify right side
    168,922.80x = 17,501,728,263.45
  5. Step 5: Solve for x
    x = 17,501,728,263.45/168,922.80
  6. Step 6: Final answer
    x = 103,607.85

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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.