Home / 196,258.70-294,191.21-91,151.48

Finding the Fourth Proportional to 196,258.70, 294,191.21 and 91,151.48

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Solution

The fourth proportional to 196,258.70, 294,191.21 and 91,151.48 is: 136,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,258.70 : 294,191.21 = 91,151.48 : x
  2. Step 2: Convert to fraction form
    196,258.70/294,191.21 = 91,151.48/x
  3. Step 3: Cross multiply
    196,258.70x = 294,191.21 × 91,151.48
  4. Step 4: Simplify right side
    196,258.70x = 26,815,962,267.78
  5. Step 5: Solve for x
    x = 26,815,962,267.78/196,258.70
  6. Step 6: Final answer
    x = 136,635.79

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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.