Home / 161,542.96-222,998.20-115,005.83

Finding the Fourth Proportional to 161,542.96, 222,998.20 and 115,005.83

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Solution

The fourth proportional to 161,542.96, 222,998.20 and 115,005.83 is: 158,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,542.96 : 222,998.20 = 115,005.83 : x
  2. Step 2: Convert to fraction form
    161,542.96/222,998.20 = 115,005.83/x
  3. Step 3: Cross multiply
    161,542.96x = 222,998.20 × 115,005.83
  4. Step 4: Simplify right side
    161,542.96x = 25,646,091,677.00
  5. Step 5: Solve for x
    x = 25,646,091,677.00/161,542.96
  6. Step 6: Final answer
    x = 158,757.10

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1.5x scale

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.