Home / 165,940.20-248,877.90-55,132.20

Finding the Fourth Proportional to 165,940.20, 248,877.90 and 55,132.20

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Solution

The fourth proportional to 165,940.20, 248,877.90 and 55,132.20 is: 82,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,940.20 : 248,877.90 = 55,132.20 : x
  2. Step 2: Convert to fraction form
    165,940.20/248,877.90 = 55,132.20/x
  3. Step 3: Cross multiply
    165,940.20x = 248,877.90 × 55,132.20
  4. Step 4: Simplify right side
    165,940.20x = 13,721,186,158.38
  5. Step 5: Solve for x
    x = 13,721,186,158.38/165,940.20
  6. Step 6: Final answer
    x = 82,687.54

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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.