Home / 193,091.45-289,591.00-66,736.15

Finding the Fourth Proportional to 193,091.45, 289,591.00 and 66,736.15

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Solution

The fourth proportional to 193,091.45, 289,591.00 and 66,736.15 is: 100,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,091.45 : 289,591.00 = 66,736.15 : x
  2. Step 2: Convert to fraction form
    193,091.45/289,591.00 = 66,736.15/x
  3. Step 3: Cross multiply
    193,091.45x = 289,591.00 × 66,736.15
  4. Step 4: Simplify right side
    193,091.45x = 19,326,189,152.78
  5. Step 5: Solve for x
    x = 19,326,189,152.78/193,091.45
  6. Step 6: Final answer
    x = 100,088.27

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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.