Home / 196,771.48-294,981.90-72,083.32

Finding the Fourth Proportional to 196,771.48, 294,981.90 and 72,083.32

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Solution

The fourth proportional to 196,771.48, 294,981.90 and 72,083.32 is: 108,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,771.48 : 294,981.90 = 72,083.32 : x
  2. Step 2: Convert to fraction form
    196,771.48/294,981.90 = 72,083.32/x
  3. Step 3: Cross multiply
    196,771.48x = 294,981.90 × 72,083.32
  4. Step 4: Simplify right side
    196,771.48x = 21,263,274,691.91
  5. Step 5: Solve for x
    x = 21,263,274,691.91/196,771.48
  6. Step 6: Final answer
    x = 108,060.76

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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.