Home / 147,278.36-203,231.66-82,742.54

Finding the Fourth Proportional to 147,278.36, 203,231.66 and 82,742.54

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Solution

The fourth proportional to 147,278.36, 203,231.66 and 82,742.54 is: 114,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,278.36 : 203,231.66 = 82,742.54 : x
  2. Step 2: Convert to fraction form
    147,278.36/203,231.66 = 82,742.54/x
  3. Step 3: Cross multiply
    147,278.36x = 203,231.66 × 82,742.54
  4. Step 4: Simplify right side
    147,278.36x = 16,815,902,637.23
  5. Step 5: Solve for x
    x = 16,815,902,637.23/147,278.36
  6. Step 6: Final answer
    x = 114,177.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.