Home / 168,825.04-253,144.08-69,055.30

Finding the Fourth Proportional to 168,825.04, 253,144.08 and 69,055.30

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Solution

The fourth proportional to 168,825.04, 253,144.08 and 69,055.30 is: 103,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,825.04 : 253,144.08 = 69,055.30 : x
  2. Step 2: Convert to fraction form
    168,825.04/253,144.08 = 69,055.30/x
  3. Step 3: Cross multiply
    168,825.04x = 253,144.08 × 69,055.30
  4. Step 4: Simplify right side
    168,825.04x = 17,480,940,387.62
  5. Step 5: Solve for x
    x = 17,480,940,387.62/168,825.04
  6. Step 6: Final answer
    x = 103,544.71

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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.