Home / 122,104.22-168,504.34-71,151.91

Finding the Fourth Proportional to 122,104.22, 168,504.34 and 71,151.91

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Solution

The fourth proportional to 122,104.22, 168,504.34 and 71,151.91 is: 98,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,104.22 : 168,504.34 = 71,151.91 : x
  2. Step 2: Convert to fraction form
    122,104.22/168,504.34 = 71,151.91/x
  3. Step 3: Cross multiply
    122,104.22x = 168,504.34 × 71,151.91
  4. Step 4: Simplify right side
    122,104.22x = 11,989,405,634.29
  5. Step 5: Solve for x
    x = 11,989,405,634.29/122,104.22
  6. Step 6: Final answer
    x = 98,189.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.