Home / 196,411.88-294,634.79-54,257.10

Finding the Fourth Proportional to 196,411.88, 294,634.79 and 54,257.10

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Solution

The fourth proportional to 196,411.88, 294,634.79 and 54,257.10 is: 81,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,411.88 : 294,634.79 = 54,257.10 : x
  2. Step 2: Convert to fraction form
    196,411.88/294,634.79 = 54,257.10/x
  3. Step 3: Cross multiply
    196,411.88x = 294,634.79 × 54,257.10
  4. Step 4: Simplify right side
    196,411.88x = 15,986,028,993.22
  5. Step 5: Solve for x
    x = 15,986,028,993.22/196,411.88
  6. Step 6: Final answer
    x = 81,390.34

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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.