Home / 165,930.60-248,895.90-55,122.60

Finding the Fourth Proportional to 165,930.60, 248,895.90 and 55,122.60

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Solution

The fourth proportional to 165,930.60, 248,895.90 and 55,122.60 is: 82,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,930.60 : 248,895.90 = 55,122.60 : x
  2. Step 2: Convert to fraction form
    165,930.60/248,895.90 = 55,122.60/x
  3. Step 3: Cross multiply
    165,930.60x = 248,895.90 × 55,122.60
  4. Step 4: Simplify right side
    165,930.60x = 13,719,789,137.34
  5. Step 5: Solve for x
    x = 13,719,789,137.34/165,930.60
  6. Step 6: Final answer
    x = 82,683.90

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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.