Home / 298,261.26-447,253.65-111,222.54

Finding the Fourth Proportional to 298,261.26, 447,253.65 and 111,222.54

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Solution

The fourth proportional to 298,261.26, 447,253.65 and 111,222.54 is: 166,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,261.26 : 447,253.65 = 111,222.54 : x
  2. Step 2: Convert to fraction form
    298,261.26/447,253.65 = 111,222.54/x
  3. Step 3: Cross multiply
    298,261.26x = 447,253.65 × 111,222.54
  4. Step 4: Simplify right side
    298,261.26x = 49,744,686,977.27
  5. Step 5: Solve for x
    x = 49,744,686,977.27/298,261.26
  6. Step 6: Final answer
    x = 166,782.26

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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.