Home / 190,193.26-262,466.70-105,310.33

Finding the Fourth Proportional to 190,193.26, 262,466.70 and 105,310.33

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Solution

The fourth proportional to 190,193.26, 262,466.70 and 105,310.33 is: 145,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,193.26 : 262,466.70 = 105,310.33 : x
  2. Step 2: Convert to fraction form
    190,193.26/262,466.70 = 105,310.33/x
  3. Step 3: Cross multiply
    190,193.26x = 262,466.70 × 105,310.33
  4. Step 4: Simplify right side
    190,193.26x = 27,640,454,791.01
  5. Step 5: Solve for x
    x = 27,640,454,791.01/190,193.26
  6. Step 6: Final answer
    x = 145,328.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.