Home / 192,977.19-289,311.14-91,724.42

Finding the Fourth Proportional to 192,977.19, 289,311.14 and 91,724.42

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Solution

The fourth proportional to 192,977.19, 289,311.14 and 91,724.42 is: 137,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,977.19 : 289,311.14 = 91,724.42 : x
  2. Step 2: Convert to fraction form
    192,977.19/289,311.14 = 91,724.42/x
  3. Step 3: Cross multiply
    192,977.19x = 289,311.14 × 91,724.42
  4. Step 4: Simplify right side
    192,977.19x = 26,536,894,610.86
  5. Step 5: Solve for x
    x = 26,536,894,610.86/192,977.19
  6. Step 6: Final answer
    x = 137,513.12

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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.