Home / 197,731.35-296,610.86-79,402.69

Finding the Fourth Proportional to 197,731.35, 296,610.86 and 79,402.69

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Solution

The fourth proportional to 197,731.35, 296,610.86 and 79,402.69 is: 119,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,731.35 : 296,610.86 = 79,402.69 : x
  2. Step 2: Convert to fraction form
    197,731.35/296,610.86 = 79,402.69/x
  3. Step 3: Cross multiply
    197,731.35x = 296,610.86 × 79,402.69
  4. Step 4: Simplify right side
    197,731.35x = 23,551,699,624.19
  5. Step 5: Solve for x
    x = 23,551,699,624.19/197,731.35
  6. Step 6: Final answer
    x = 119,109.59

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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.