Home / 196,267.35-294,199.07-78,022.47

Finding the Fourth Proportional to 196,267.35, 294,199.07 and 78,022.47

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Solution

The fourth proportional to 196,267.35, 294,199.07 and 78,022.47 is: 116,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,267.35 : 294,199.07 = 78,022.47 : x
  2. Step 2: Convert to fraction form
    196,267.35/294,199.07 = 78,022.47/x
  3. Step 3: Cross multiply
    196,267.35x = 294,199.07 × 78,022.47
  4. Step 4: Simplify right side
    196,267.35x = 22,954,137,722.99
  5. Step 5: Solve for x
    x = 22,954,137,722.99/196,267.35
  6. Step 6: Final answer
    x = 116,953.42

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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.