Home / 203,690.14-281,095.47-113,051.97

Finding the Fourth Proportional to 203,690.14, 281,095.47 and 113,051.97

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Solution

The fourth proportional to 203,690.14, 281,095.47 and 113,051.97 is: 156,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,690.14 : 281,095.47 = 113,051.97 : x
  2. Step 2: Convert to fraction form
    203,690.14/281,095.47 = 113,051.97/x
  3. Step 3: Cross multiply
    203,690.14x = 281,095.47 × 113,051.97
  4. Step 4: Simplify right side
    203,690.14x = 31,778,396,641.58
  5. Step 5: Solve for x
    x = 31,778,396,641.58/203,690.14
  6. Step 6: Final answer
    x = 156,013.43

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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.