Home / 196,519.87-294,765.22-70,145.69

Finding the Fourth Proportional to 196,519.87, 294,765.22 and 70,145.69

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Solution

The fourth proportional to 196,519.87, 294,765.22 and 70,145.69 is: 105,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,519.87 : 294,765.22 = 70,145.69 : x
  2. Step 2: Convert to fraction form
    196,519.87/294,765.22 = 70,145.69/x
  3. Step 3: Cross multiply
    196,519.87x = 294,765.22 × 70,145.69
  4. Step 4: Simplify right side
    196,519.87x = 20,676,509,394.17
  5. Step 5: Solve for x
    x = 20,676,509,394.17/196,519.87
  6. Step 6: Final answer
    x = 105,213.33

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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.