Home / 194,450.20-291,092.10-115,523.80

Finding the Fourth Proportional to 194,450.20, 291,092.10 and 115,523.80

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Solution

The fourth proportional to 194,450.20, 291,092.10 and 115,523.80 is: 172,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,450.20 : 291,092.10 = 115,523.80 : x
  2. Step 2: Convert to fraction form
    194,450.20/291,092.10 = 115,523.80/x
  3. Step 3: Cross multiply
    194,450.20x = 291,092.10 × 115,523.80
  4. Step 4: Simplify right side
    194,450.20x = 33,628,065,541.98
  5. Step 5: Solve for x
    x = 33,628,065,541.98/194,450.20
  6. Step 6: Final answer
    x = 172,939.22

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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.