Home / 196,709.33-294,991.69-70,315.47

Finding the Fourth Proportional to 196,709.33, 294,991.69 and 70,315.47

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Solution

The fourth proportional to 196,709.33, 294,991.69 and 70,315.47 is: 105,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,709.33 : 294,991.69 = 70,315.47 : x
  2. Step 2: Convert to fraction form
    196,709.33/294,991.69 = 70,315.47/x
  3. Step 3: Cross multiply
    196,709.33x = 294,991.69 × 70,315.47
  4. Step 4: Simplify right side
    196,709.33x = 20,742,479,328.44
  5. Step 5: Solve for x
    x = 20,742,479,328.44/196,709.33
  6. Step 6: Final answer
    x = 105,447.36

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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.