Home / 193,091.61-289,260.35-91,745.44

Finding the Fourth Proportional to 193,091.61, 289,260.35 and 91,745.44

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Solution

The fourth proportional to 193,091.61, 289,260.35 and 91,745.44 is: 137,439.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,091.61 : 289,260.35 = 91,745.44 : x
  2. Step 2: Convert to fraction form
    193,091.61/289,260.35 = 91,745.44/x
  3. Step 3: Cross multiply
    193,091.61x = 289,260.35 × 91,745.44
  4. Step 4: Simplify right side
    193,091.61x = 26,538,318,085.30
  5. Step 5: Solve for x
    x = 26,538,318,085.30/193,091.61
  6. Step 6: Final answer
    x = 137,439.00

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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.