Home / 196,412.88-294,636.29-54,258.10

Finding the Fourth Proportional to 196,412.88, 294,636.29 and 54,258.10

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Solution

The fourth proportional to 196,412.88, 294,636.29 and 54,258.10 is: 81,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,412.88 : 294,636.29 = 54,258.10 : x
  2. Step 2: Convert to fraction form
    196,412.88/294,636.29 = 54,258.10/x
  3. Step 3: Cross multiply
    196,412.88x = 294,636.29 × 54,258.10
  4. Step 4: Simplify right side
    196,412.88x = 15,986,405,286.45
  5. Step 5: Solve for x
    x = 15,986,405,286.45/196,412.88
  6. Step 6: Final answer
    x = 81,391.84

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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.