Home / 193,091.12-289,259.61-91,744.94

Finding the Fourth Proportional to 193,091.12, 289,259.61 and 91,744.94

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Solution

The fourth proportional to 193,091.12, 289,259.61 and 91,744.94 is: 137,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,091.12 : 289,259.61 = 91,744.94 : x
  2. Step 2: Convert to fraction form
    193,091.12/289,259.61 = 91,744.94/x
  3. Step 3: Cross multiply
    193,091.12x = 289,259.61 × 91,744.94
  4. Step 4: Simplify right side
    193,091.12x = 26,538,103,658.85
  5. Step 5: Solve for x
    x = 26,538,103,658.85/193,091.12
  6. Step 6: Final answer
    x = 137,438.24

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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.