Home / 194,943.88-269,023.36-105,519.88

Finding the Fourth Proportional to 194,943.88, 269,023.36 and 105,519.88

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Solution

The fourth proportional to 194,943.88, 269,023.36 and 105,519.88 is: 145,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,943.88 : 269,023.36 = 105,519.88 : x
  2. Step 2: Convert to fraction form
    194,943.88/269,023.36 = 105,519.88/x
  3. Step 3: Cross multiply
    194,943.88x = 269,023.36 × 105,519.88
  4. Step 4: Simplify right side
    194,943.88x = 28,387,311,319.28
  5. Step 5: Solve for x
    x = 28,387,311,319.28/194,943.88
  6. Step 6: Final answer
    x = 145,617.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.