Home / 194,208.84-268,047.90-122,540.58

Finding the Fourth Proportional to 194,208.84, 268,047.90 and 122,540.58

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Solution

The fourth proportional to 194,208.84, 268,047.90 and 122,540.58 is: 169,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,208.84 : 268,047.90 = 122,540.58 : x
  2. Step 2: Convert to fraction form
    194,208.84/268,047.90 = 122,540.58/x
  3. Step 3: Cross multiply
    194,208.84x = 268,047.90 × 122,540.58
  4. Step 4: Simplify right side
    194,208.84x = 32,846,745,133.78
  5. Step 5: Solve for x
    x = 32,846,745,133.78/194,208.84
  6. Step 6: Final answer
    x = 169,131.05

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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.