Home / 196,434.21-294,673.05-70,103.91

Finding the Fourth Proportional to 196,434.21, 294,673.05 and 70,103.91

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Solution

The fourth proportional to 196,434.21, 294,673.05 and 70,103.91 is: 105,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,434.21 : 294,673.05 = 70,103.91 : x
  2. Step 2: Convert to fraction form
    196,434.21/294,673.05 = 70,103.91/x
  3. Step 3: Cross multiply
    196,434.21x = 294,673.05 × 70,103.91
  4. Step 4: Simplify right side
    196,434.21x = 20,657,732,976.63
  5. Step 5: Solve for x
    x = 20,657,732,976.63/196,434.21
  6. Step 6: Final answer
    x = 105,163.62

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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.