Home / 192,984.21-289,284.75-91,604.61

Finding the Fourth Proportional to 192,984.21, 289,284.75 and 91,604.61

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Solution

The fourth proportional to 192,984.21, 289,284.75 and 91,604.61 is: 137,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,984.21 : 289,284.75 = 91,604.61 : x
  2. Step 2: Convert to fraction form
    192,984.21/289,284.75 = 91,604.61/x
  3. Step 3: Cross multiply
    192,984.21x = 289,284.75 × 91,604.61
  4. Step 4: Simplify right side
    192,984.21x = 26,499,816,702.70
  5. Step 5: Solve for x
    x = 26,499,816,702.70/192,984.21
  6. Step 6: Final answer
    x = 137,315.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.