Home / 261,080.24-391,795.36-167,651.60

Finding the Fourth Proportional to 261,080.24, 391,795.36 and 167,651.60

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Solution

The fourth proportional to 261,080.24, 391,795.36 and 167,651.60 is: 251,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,080.24 : 391,795.36 = 167,651.60 : x
  2. Step 2: Convert to fraction form
    261,080.24/391,795.36 = 167,651.60/x
  3. Step 3: Cross multiply
    261,080.24x = 391,795.36 × 167,651.60
  4. Step 4: Simplify right side
    261,080.24x = 65,685,118,976.58
  5. Step 5: Solve for x
    x = 65,685,118,976.58/261,080.24
  6. Step 6: Final answer
    x = 251,589.78

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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.