Home / 198,277.77-297,314.60-79,917.33

Finding the Fourth Proportional to 198,277.77, 297,314.60 and 79,917.33

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Solution

The fourth proportional to 198,277.77, 297,314.60 and 79,917.33 is: 119,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,277.77 : 297,314.60 = 79,917.33 : x
  2. Step 2: Convert to fraction form
    198,277.77/297,314.60 = 79,917.33/x
  3. Step 3: Cross multiply
    198,277.77x = 297,314.60 × 79,917.33
  4. Step 4: Simplify right side
    198,277.77x = 23,760,588,602.43
  5. Step 5: Solve for x
    x = 23,760,588,602.43/198,277.77
  6. Step 6: Final answer
    x = 119,834.86

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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.