Home / 196,709.58-294,566.10-121,975.70

Finding the Fourth Proportional to 196,709.58, 294,566.10 and 121,975.70

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Solution

The fourth proportional to 196,709.58, 294,566.10 and 121,975.70 is: 182,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,709.58 : 294,566.10 = 121,975.70 : x
  2. Step 2: Convert to fraction form
    196,709.58/294,566.10 = 121,975.70/x
  3. Step 3: Cross multiply
    196,709.58x = 294,566.10 × 121,975.70
  4. Step 4: Simplify right side
    196,709.58x = 35,929,904,770.94
  5. Step 5: Solve for x
    x = 35,929,904,770.94/196,709.58
  6. Step 6: Final answer
    x = 182,654.58

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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.