Home / 196,519.37-294,764.47-70,145.19

Finding the Fourth Proportional to 196,519.37, 294,764.47 and 70,145.19

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Solution

The fourth proportional to 196,519.37, 294,764.47 and 70,145.19 is: 105,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,519.37 : 294,764.47 = 70,145.19 : x
  2. Step 2: Convert to fraction form
    196,519.37/294,764.47 = 70,145.19/x
  3. Step 3: Cross multiply
    196,519.37x = 294,764.47 × 70,145.19
  4. Step 4: Simplify right side
    196,519.37x = 20,676,309,578.04
  5. Step 5: Solve for x
    x = 20,676,309,578.04/196,519.37
  6. Step 6: Final answer
    x = 105,212.58

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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.