Home / 166,896.78-250,342.40-40,538.06

Finding the Fourth Proportional to 166,896.78, 250,342.40 and 40,538.06

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Solution

The fourth proportional to 166,896.78, 250,342.40 and 40,538.06 is: 60,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,896.78 : 250,342.40 = 40,538.06 : x
  2. Step 2: Convert to fraction form
    166,896.78/250,342.40 = 40,538.06/x
  3. Step 3: Cross multiply
    166,896.78x = 250,342.40 × 40,538.06
  4. Step 4: Simplify right side
    166,896.78x = 10,148,395,231.74
  5. Step 5: Solve for x
    x = 10,148,395,231.74/166,896.78
  6. Step 6: Final answer
    x = 60,806.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.