Home / 194,383.15-268,338.80-137,069.17

Finding the Fourth Proportional to 194,383.15, 268,338.80 and 137,069.17

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Solution

The fourth proportional to 194,383.15, 268,338.80 and 137,069.17 is: 189,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,383.15 : 268,338.80 = 137,069.17 : x
  2. Step 2: Convert to fraction form
    194,383.15/268,338.80 = 137,069.17/x
  3. Step 3: Cross multiply
    194,383.15x = 268,338.80 × 137,069.17
  4. Step 4: Simplify right side
    194,383.15x = 36,780,974,567.76
  5. Step 5: Solve for x
    x = 36,780,974,567.76/194,383.15
  6. Step 6: Final answer
    x = 189,218.95

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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.