Home / 140,940.40-211,180.20-117,439.60

Finding the Fourth Proportional to 140,940.40, 211,180.20 and 117,439.60

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Solution

The fourth proportional to 140,940.40, 211,180.20 and 117,439.60 is: 175,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,940.40 : 211,180.20 = 117,439.60 : x
  2. Step 2: Convert to fraction form
    140,940.40/211,180.20 = 117,439.60/x
  3. Step 3: Cross multiply
    140,940.40x = 211,180.20 × 117,439.60
  4. Step 4: Simplify right side
    140,940.40x = 24,800,918,215.92
  5. Step 5: Solve for x
    x = 24,800,918,215.92/140,940.40
  6. Step 6: Final answer
    x = 175,967.42

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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.