Home / 193,079.70-289,619.55-68,433.30

Finding the Fourth Proportional to 193,079.70, 289,619.55 and 68,433.30

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Solution

The fourth proportional to 193,079.70, 289,619.55 and 68,433.30 is: 102,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,079.70 : 289,619.55 = 68,433.30 : x
  2. Step 2: Convert to fraction form
    193,079.70/289,619.55 = 68,433.30/x
  3. Step 3: Cross multiply
    193,079.70x = 289,619.55 × 68,433.30
  4. Step 4: Simplify right side
    193,079.70x = 19,819,621,551.02
  5. Step 5: Solve for x
    x = 19,819,621,551.02/193,079.70
  6. Step 6: Final answer
    x = 102,649.95

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Similar ratio
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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.