Home / 196,120.75-294,338.76-101,378.72

Finding the Fourth Proportional to 196,120.75, 294,338.76 and 101,378.72

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Solution

The fourth proportional to 196,120.75, 294,338.76 and 101,378.72 is: 152,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,120.75 : 294,338.76 = 101,378.72 : x
  2. Step 2: Convert to fraction form
    196,120.75/294,338.76 = 101,378.72/x
  3. Step 3: Cross multiply
    196,120.75x = 294,338.76 × 101,378.72
  4. Step 4: Simplify right side
    196,120.75x = 29,839,686,735.19
  5. Step 5: Solve for x
    x = 29,839,686,735.19/196,120.75
  6. Step 6: Final answer
    x = 152,149.56

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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.