Home / 194,639.09-268,650.88-109,805.36

Finding the Fourth Proportional to 194,639.09, 268,650.88 and 109,805.36

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Solution

The fourth proportional to 194,639.09, 268,650.88 and 109,805.36 is: 151,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,639.09 : 268,650.88 = 109,805.36 : x
  2. Step 2: Convert to fraction form
    194,639.09/268,650.88 = 109,805.36/x
  3. Step 3: Cross multiply
    194,639.09x = 268,650.88 × 109,805.36
  4. Step 4: Simplify right side
    194,639.09x = 29,499,304,974.95
  5. Step 5: Solve for x
    x = 29,499,304,974.95/194,639.09
  6. Step 6: Final answer
    x = 151,559.00

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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.