Home / 161,351.10-242,092.87-71,346.33

Finding the Fourth Proportional to 161,351.10, 242,092.87 and 71,346.33

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Solution

The fourth proportional to 161,351.10, 242,092.87 and 71,346.33 is: 107,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,351.10 : 242,092.87 = 71,346.33 : x
  2. Step 2: Convert to fraction form
    161,351.10/242,092.87 = 71,346.33/x
  3. Step 3: Cross multiply
    161,351.10x = 242,092.87 × 71,346.33
  4. Step 4: Simplify right side
    161,351.10x = 17,272,437,615.30
  5. Step 5: Solve for x
    x = 17,272,437,615.30/161,351.10
  6. Step 6: Final answer
    x = 107,048.78

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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.