Home / 203,705.64-281,109.56-113,056.29

Finding the Fourth Proportional to 203,705.64, 281,109.56 and 113,056.29

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Solution

The fourth proportional to 203,705.64, 281,109.56 and 113,056.29 is: 156,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,705.64 : 281,109.56 = 113,056.29 : x
  2. Step 2: Convert to fraction form
    203,705.64/281,109.56 = 113,056.29/x
  3. Step 3: Cross multiply
    203,705.64x = 281,109.56 × 113,056.29
  4. Step 4: Simplify right side
    203,705.64x = 31,781,203,371.85
  5. Step 5: Solve for x
    x = 31,781,203,371.85/203,705.64
  6. Step 6: Final answer
    x = 156,015.33

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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.