Home / 169,721.22-234,189.27-98,087.43

Finding the Fourth Proportional to 169,721.22, 234,189.27 and 98,087.43

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Solution

The fourth proportional to 169,721.22, 234,189.27 and 98,087.43 is: 135,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,721.22 : 234,189.27 = 98,087.43 : x
  2. Step 2: Convert to fraction form
    169,721.22/234,189.27 = 98,087.43/x
  3. Step 3: Cross multiply
    169,721.22x = 234,189.27 × 98,087.43
  4. Step 4: Simplify right side
    169,721.22x = 22,971,023,627.88
  5. Step 5: Solve for x
    x = 22,971,023,627.88/169,721.22
  6. Step 6: Final answer
    x = 135,345.62

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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.