Home / 140,699.75-211,049.23-108,725.35

Finding the Fourth Proportional to 140,699.75, 211,049.23 and 108,725.35

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Solution

The fourth proportional to 140,699.75, 211,049.23 and 108,725.35 is: 163,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,699.75 : 211,049.23 = 108,725.35 : x
  2. Step 2: Convert to fraction form
    140,699.75/211,049.23 = 108,725.35/x
  3. Step 3: Cross multiply
    140,699.75x = 211,049.23 × 108,725.35
  4. Step 4: Simplify right side
    140,699.75x = 22,946,401,398.98
  5. Step 5: Solve for x
    x = 22,946,401,398.98/140,699.75
  6. Step 6: Final answer
    x = 163,087.72

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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.