Home / 205,938.53-308,428.03-200,262.77

Finding the Fourth Proportional to 205,938.53, 308,428.03 and 200,262.77

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Solution

The fourth proportional to 205,938.53, 308,428.03 and 200,262.77 is: 299,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,938.53 : 308,428.03 = 200,262.77 : x
  2. Step 2: Convert to fraction form
    205,938.53/308,428.03 = 200,262.77/x
  3. Step 3: Cross multiply
    205,938.53x = 308,428.03 × 200,262.77
  4. Step 4: Simplify right side
    205,938.53x = 61,766,651,633.44
  5. Step 5: Solve for x
    x = 61,766,651,633.44/205,938.53
  6. Step 6: Final answer
    x = 299,927.61

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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.