Home / 165,331.41-247,991.64-71,837.16

Finding the Fourth Proportional to 165,331.41, 247,991.64 and 71,837.16

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Solution

The fourth proportional to 165,331.41, 247,991.64 and 71,837.16 is: 107,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,331.41 : 247,991.64 = 71,837.16 : x
  2. Step 2: Convert to fraction form
    165,331.41/247,991.64 = 71,837.16/x
  3. Step 3: Cross multiply
    165,331.41x = 247,991.64 × 71,837.16
  4. Step 4: Simplify right side
    165,331.41x = 17,815,015,121.34
  5. Step 5: Solve for x
    x = 17,815,015,121.34/165,331.41
  6. Step 6: Final answer
    x = 107,753.36

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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.