Home / 140,335.20-211,021.20-117,525.60

Finding the Fourth Proportional to 140,335.20, 211,021.20 and 117,525.60

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Solution

The fourth proportional to 140,335.20, 211,021.20 and 117,525.60 is: 176,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,335.20 : 211,021.20 = 117,525.60 : x
  2. Step 2: Convert to fraction form
    140,335.20/211,021.20 = 117,525.60/x
  3. Step 3: Cross multiply
    140,335.20x = 211,021.20 × 117,525.60
  4. Step 4: Simplify right side
    140,335.20x = 24,800,393,142.72
  5. Step 5: Solve for x
    x = 24,800,393,142.72/140,335.20
  6. Step 6: Final answer
    x = 176,722.54

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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.