Home / 140,754.11-211,131.51-34,137.64

Finding the Fourth Proportional to 140,754.11, 211,131.51 and 34,137.64

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Solution

The fourth proportional to 140,754.11, 211,131.51 and 34,137.64 is: 51,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,754.11 : 211,131.51 = 34,137.64 : x
  2. Step 2: Convert to fraction form
    140,754.11/211,131.51 = 34,137.64/x
  3. Step 3: Cross multiply
    140,754.11x = 211,131.51 × 34,137.64
  4. Step 4: Simplify right side
    140,754.11x = 7,207,530,621.34
  5. Step 5: Solve for x
    x = 7,207,530,621.34/140,754.11
  6. Step 6: Final answer
    x = 51,206.54

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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.