Home / 196,539.42-294,923.43-82,678.89

Finding the Fourth Proportional to 196,539.42, 294,923.43 and 82,678.89

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Solution

The fourth proportional to 196,539.42, 294,923.43 and 82,678.89 is: 124,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,539.42 : 294,923.43 = 82,678.89 : x
  2. Step 2: Convert to fraction form
    196,539.42/294,923.43 = 82,678.89/x
  3. Step 3: Cross multiply
    196,539.42x = 294,923.43 × 82,678.89
  4. Step 4: Simplify right side
    196,539.42x = 24,383,941,827.39
  5. Step 5: Solve for x
    x = 24,383,941,827.39/196,539.42
  6. Step 6: Final answer
    x = 124,066.42

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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.