Home / 197,793.09-296,577.86-77,887.17

Finding the Fourth Proportional to 197,793.09, 296,577.86 and 77,887.17

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Solution

The fourth proportional to 197,793.09, 296,577.86 and 77,887.17 is: 116,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,793.09 : 296,577.86 = 77,887.17 : x
  2. Step 2: Convert to fraction form
    197,793.09/296,577.86 = 77,887.17/x
  3. Step 3: Cross multiply
    197,793.09x = 296,577.86 × 77,887.17
  4. Step 4: Simplify right side
    197,793.09x = 23,099,609,810.62
  5. Step 5: Solve for x
    x = 23,099,609,810.62/197,793.09
  6. Step 6: Final answer
    x = 116,786.74

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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.