Home / 196,169.05-294,049.45-90,901.45

Finding the Fourth Proportional to 196,169.05, 294,049.45 and 90,901.45

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Solution

The fourth proportional to 196,169.05, 294,049.45 and 90,901.45 is: 136,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,169.05 : 294,049.45 = 90,901.45 : x
  2. Step 2: Convert to fraction form
    196,169.05/294,049.45 = 90,901.45/x
  3. Step 3: Cross multiply
    196,169.05x = 294,049.45 × 90,901.45
  4. Step 4: Simplify right side
    196,169.05x = 26,729,519,451.95
  5. Step 5: Solve for x
    x = 26,729,519,451.95/196,169.05
  6. Step 6: Final answer
    x = 136,257.58

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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.