Home / 193,104.68-289,585.94-66,712.48

Finding the Fourth Proportional to 193,104.68, 289,585.94 and 66,712.48

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Solution

The fourth proportional to 193,104.68, 289,585.94 and 66,712.48 is: 100,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,104.68 : 289,585.94 = 66,712.48 : x
  2. Step 2: Convert to fraction form
    193,104.68/289,585.94 = 66,712.48/x
  3. Step 3: Cross multiply
    193,104.68x = 289,585.94 × 66,712.48
  4. Step 4: Simplify right side
    193,104.68x = 19,318,995,173.00
  5. Step 5: Solve for x
    x = 19,318,995,173.00/193,104.68
  6. Step 6: Final answer
    x = 100,044.16

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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.