Home / 196,180.86-294,012.08-71,401.98

Finding the Fourth Proportional to 196,180.86, 294,012.08 and 71,401.98

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Solution

The fourth proportional to 196,180.86, 294,012.08 and 71,401.98 is: 107,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,180.86 : 294,012.08 = 71,401.98 : x
  2. Step 2: Convert to fraction form
    196,180.86/294,012.08 = 71,401.98/x
  3. Step 3: Cross multiply
    196,180.86x = 294,012.08 × 71,401.98
  4. Step 4: Simplify right side
    196,180.86x = 20,993,044,655.92
  5. Step 5: Solve for x
    x = 20,993,044,655.92/196,180.86
  6. Step 6: Final answer
    x = 107,008.63

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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.