Home / 263,442.44-363,511.60-154,505.54

Finding the Fourth Proportional to 263,442.44, 363,511.60 and 154,505.54

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Solution

The fourth proportional to 263,442.44, 363,511.60 and 154,505.54 is: 213,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,442.44 : 363,511.60 = 154,505.54 : x
  2. Step 2: Convert to fraction form
    263,442.44/363,511.60 = 154,505.54/x
  3. Step 3: Cross multiply
    263,442.44x = 363,511.60 × 154,505.54
  4. Step 4: Simplify right side
    263,442.44x = 56,164,556,576.78
  5. Step 5: Solve for x
    x = 56,164,556,576.78/263,442.44
  6. Step 6: Final answer
    x = 213,194.79

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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.