Home / 222,999.40-307,741.44-121,025.74

Finding the Fourth Proportional to 222,999.40, 307,741.44 and 121,025.74

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Solution

The fourth proportional to 222,999.40, 307,741.44 and 121,025.74 is: 167,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,999.40 : 307,741.44 = 121,025.74 : x
  2. Step 2: Convert to fraction form
    222,999.40/307,741.44 = 121,025.74/x
  3. Step 3: Cross multiply
    222,999.40x = 307,741.44 × 121,025.74
  4. Step 4: Simplify right side
    222,999.40x = 37,244,635,504.67
  5. Step 5: Solve for x
    x = 37,244,635,504.67/222,999.40
  6. Step 6: Final answer
    x = 167,016.75

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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.