Home / 165,086.20-247,629.30-141,466.60

Finding the Fourth Proportional to 165,086.20, 247,629.30 and 141,466.60

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Solution

The fourth proportional to 165,086.20, 247,629.30 and 141,466.60 is: 212,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,086.20 : 247,629.30 = 141,466.60 : x
  2. Step 2: Convert to fraction form
    165,086.20/247,629.30 = 141,466.60/x
  3. Step 3: Cross multiply
    165,086.20x = 247,629.30 × 141,466.60
  4. Step 4: Simplify right side
    165,086.20x = 35,031,275,131.38
  5. Step 5: Solve for x
    x = 35,031,275,131.38/165,086.20
  6. Step 6: Final answer
    x = 212,199.90

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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.