Home / 146,485.78-202,149.40-82,823.83

Finding the Fourth Proportional to 146,485.78, 202,149.40 and 82,823.83

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Solution

The fourth proportional to 146,485.78, 202,149.40 and 82,823.83 is: 114,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,485.78 : 202,149.40 = 82,823.83 : x
  2. Step 2: Convert to fraction form
    146,485.78/202,149.40 = 82,823.83/x
  3. Step 3: Cross multiply
    146,485.78x = 202,149.40 × 82,823.83
  4. Step 4: Simplify right side
    146,485.78x = 16,742,787,540.20
  5. Step 5: Solve for x
    x = 16,742,787,540.20/146,485.78
  6. Step 6: Final answer
    x = 114,296.33

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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.