Home / 168,860.88-253,173.24-74,045.52

Finding the Fourth Proportional to 168,860.88, 253,173.24 and 74,045.52

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Solution

The fourth proportional to 168,860.88, 253,173.24 and 74,045.52 is: 111,016.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,860.88 : 253,173.24 = 74,045.52 : x
  2. Step 2: Convert to fraction form
    168,860.88/253,173.24 = 74,045.52/x
  3. Step 3: Cross multiply
    168,860.88x = 253,173.24 × 74,045.52
  4. Step 4: Simplify right side
    168,860.88x = 18,746,344,205.88
  5. Step 5: Solve for x
    x = 18,746,344,205.88/168,860.88
  6. Step 6: Final answer
    x = 111,016.50

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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.