Home / 168,988.06-253,391.16-67,735.29

Finding the Fourth Proportional to 168,988.06, 253,391.16 and 67,735.29

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Solution

The fourth proportional to 168,988.06, 253,391.16 and 67,735.29 is: 101,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,988.06 : 253,391.16 = 67,735.29 : x
  2. Step 2: Convert to fraction form
    168,988.06/253,391.16 = 67,735.29/x
  3. Step 3: Cross multiply
    168,988.06x = 253,391.16 × 67,735.29
  4. Step 4: Simplify right side
    168,988.06x = 17,163,524,910.26
  5. Step 5: Solve for x
    x = 17,163,524,910.26/168,988.06
  6. Step 6: Final answer
    x = 101,566.49

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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.