Home / 193,105.02-289,749.69-68,504.70

Finding the Fourth Proportional to 193,105.02, 289,749.69 and 68,504.70

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Solution

The fourth proportional to 193,105.02, 289,749.69 and 68,504.70 is: 102,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,105.02 : 289,749.69 = 68,504.70 : x
  2. Step 2: Convert to fraction form
    193,105.02/289,749.69 = 68,504.70/x
  3. Step 3: Cross multiply
    193,105.02x = 289,749.69 × 68,504.70
  4. Step 4: Simplify right side
    193,105.02x = 19,849,215,588.54
  5. Step 5: Solve for x
    x = 19,849,215,588.54/193,105.02
  6. Step 6: Final answer
    x = 102,789.74

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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.