Home / 193,584.25-290,387.31-68,925.25

Finding the Fourth Proportional to 193,584.25, 290,387.31 and 68,925.25

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Solution

The fourth proportional to 193,584.25, 290,387.31 and 68,925.25 is: 103,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,584.25 : 290,387.31 = 68,925.25 : x
  2. Step 2: Convert to fraction form
    193,584.25/290,387.31 = 68,925.25/x
  3. Step 3: Cross multiply
    193,584.25x = 290,387.31 × 68,925.25
  4. Step 4: Simplify right side
    193,584.25x = 20,015,017,938.58
  5. Step 5: Solve for x
    x = 20,015,017,938.58/193,584.25
  6. Step 6: Final answer
    x = 103,391.77

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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.