Home / 196,260.85-294,189.31-78,015.97

Finding the Fourth Proportional to 196,260.85, 294,189.31 and 78,015.97

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Solution

The fourth proportional to 196,260.85, 294,189.31 and 78,015.97 is: 116,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,260.85 : 294,189.31 = 78,015.97 : x
  2. Step 2: Convert to fraction form
    196,260.85/294,189.31 = 78,015.97/x
  3. Step 3: Cross multiply
    196,260.85x = 294,189.31 × 78,015.97
  4. Step 4: Simplify right side
    196,260.85x = 22,951,464,383.28
  5. Step 5: Solve for x
    x = 22,951,464,383.28/196,260.85
  6. Step 6: Final answer
    x = 116,943.67

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1.5x scale

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.