Home / 192,922.88-289,445.76-82,146.56

Finding the Fourth Proportional to 192,922.88, 289,445.76 and 82,146.56

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Solution

The fourth proportional to 192,922.88, 289,445.76 and 82,146.56 is: 123,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,922.88 : 289,445.76 = 82,146.56 : x
  2. Step 2: Convert to fraction form
    192,922.88/289,445.76 = 82,146.56/x
  3. Step 3: Cross multiply
    192,922.88x = 289,445.76 × 82,146.56
  4. Step 4: Simplify right side
    192,922.88x = 23,776,973,490.59
  5. Step 5: Solve for x
    x = 23,776,973,490.59/192,922.88
  6. Step 6: Final answer
    x = 123,246.00

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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.