Home / 193,060.40-289,936.20-186,839.60

Finding the Fourth Proportional to 193,060.40, 289,936.20 and 186,839.60

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Solution

The fourth proportional to 193,060.40, 289,936.20 and 186,839.60 is: 280,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,060.40 : 289,936.20 = 186,839.60 : x
  2. Step 2: Convert to fraction form
    193,060.40/289,936.20 = 186,839.60/x
  3. Step 3: Cross multiply
    193,060.40x = 289,936.20 × 186,839.60
  4. Step 4: Simplify right side
    193,060.40x = 54,171,563,633.52
  5. Step 5: Solve for x
    x = 54,171,563,633.52/193,060.40
  6. Step 6: Final answer
    x = 280,593.86

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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.