Home / 218,246.22-301,179.99-122,753.10

Finding the Fourth Proportional to 218,246.22, 301,179.99 and 122,753.10

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Solution

The fourth proportional to 218,246.22, 301,179.99 and 122,753.10 is: 169,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,246.22 : 301,179.99 = 122,753.10 : x
  2. Step 2: Convert to fraction form
    218,246.22/301,179.99 = 122,753.10/x
  3. Step 3: Cross multiply
    218,246.22x = 301,179.99 × 122,753.10
  4. Step 4: Simplify right side
    218,246.22x = 36,970,777,430.47
  5. Step 5: Solve for x
    x = 36,970,777,430.47/218,246.22
  6. Step 6: Final answer
    x = 169,399.39

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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.