Home / 193,586.25-290,390.31-68,927.25

Finding the Fourth Proportional to 193,586.25, 290,390.31 and 68,927.25

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Solution

The fourth proportional to 193,586.25, 290,390.31 and 68,927.25 is: 103,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,586.25 : 290,390.31 = 68,927.25 : x
  2. Step 2: Convert to fraction form
    193,586.25/290,390.31 = 68,927.25/x
  3. Step 3: Cross multiply
    193,586.25x = 290,390.31 × 68,927.25
  4. Step 4: Simplify right side
    193,586.25x = 20,015,805,494.95
  5. Step 5: Solve for x
    x = 20,015,805,494.95/193,586.25
  6. Step 6: Final answer
    x = 103,394.77

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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.