Home / 190,684.26-285,963.60-64,290.36

Finding the Fourth Proportional to 190,684.26, 285,963.60 and 64,290.36

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Solution

The fourth proportional to 190,684.26, 285,963.60 and 64,290.36 is: 96,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,684.26 : 285,963.60 = 64,290.36 : x
  2. Step 2: Convert to fraction form
    190,684.26/285,963.60 = 64,290.36/x
  3. Step 3: Cross multiply
    190,684.26x = 285,963.60 × 64,290.36
  4. Step 4: Simplify right side
    190,684.26x = 18,384,702,790.90
  5. Step 5: Solve for x
    x = 18,384,702,790.90/190,684.26
  6. Step 6: Final answer
    x = 96,414.37

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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.