Home / 140,938.88-211,186.58-108,996.14

Finding the Fourth Proportional to 140,938.88, 211,186.58 and 108,996.14

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Solution

The fourth proportional to 140,938.88, 211,186.58 and 108,996.14 is: 163,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,938.88 : 211,186.58 = 108,996.14 : x
  2. Step 2: Convert to fraction form
    140,938.88/211,186.58 = 108,996.14/x
  3. Step 3: Cross multiply
    140,938.88x = 211,186.58 × 108,996.14
  4. Step 4: Simplify right side
    140,938.88x = 23,018,522,039.80
  5. Step 5: Solve for x
    x = 23,018,522,039.80/140,938.88
  6. Step 6: Final answer
    x = 163,322.73

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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.