Home / 194,716.80-268,709.10-105,292.80

Finding the Fourth Proportional to 194,716.80, 268,709.10 and 105,292.80

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Solution

The fourth proportional to 194,716.80, 268,709.10 and 105,292.80 is: 145,304.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,716.80 : 268,709.10 = 105,292.80 : x
  2. Step 2: Convert to fraction form
    194,716.80/268,709.10 = 105,292.80/x
  3. Step 3: Cross multiply
    194,716.80x = 268,709.10 × 105,292.80
  4. Step 4: Simplify right side
    194,716.80x = 28,293,133,524.48
  5. Step 5: Solve for x
    x = 28,293,133,524.48/194,716.80
  6. Step 6: Final answer
    x = 145,304.02

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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.