Home / 203,705.74-281,111.79-113,062.48

Finding the Fourth Proportional to 203,705.74, 281,111.79 and 113,062.48

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Solution

The fourth proportional to 203,705.74, 281,111.79 and 113,062.48 is: 156,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,705.74 : 281,111.79 = 113,062.48 : x
  2. Step 2: Convert to fraction form
    203,705.74/281,111.79 = 113,062.48/x
  3. Step 3: Cross multiply
    203,705.74x = 281,111.79 × 113,062.48
  4. Step 4: Simplify right side
    203,705.74x = 31,783,197,119.11
  5. Step 5: Solve for x
    x = 31,783,197,119.11/203,705.74
  6. Step 6: Final answer
    x = 156,025.05

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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.