Home / 168,026.44-231,990.42-117,637.96

Finding the Fourth Proportional to 168,026.44, 231,990.42 and 117,637.96

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Solution

The fourth proportional to 168,026.44, 231,990.42 and 117,637.96 is: 162,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,026.44 : 231,990.42 = 117,637.96 : x
  2. Step 2: Convert to fraction form
    168,026.44/231,990.42 = 117,637.96/x
  3. Step 3: Cross multiply
    168,026.44x = 231,990.42 × 117,637.96
  4. Step 4: Simplify right side
    168,026.44x = 27,290,879,748.34
  5. Step 5: Solve for x
    x = 27,290,879,748.34/168,026.44
  6. Step 6: Final answer
    x = 162,420.15

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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.