Home / 190,192.26-262,465.32-105,309.33

Finding the Fourth Proportional to 190,192.26, 262,465.32 and 105,309.33

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Solution

The fourth proportional to 190,192.26, 262,465.32 and 105,309.33 is: 145,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,192.26 : 262,465.32 = 105,309.33 : x
  2. Step 2: Convert to fraction form
    190,192.26/262,465.32 = 105,309.33/x
  3. Step 3: Cross multiply
    190,192.26x = 262,465.32 × 105,309.33
  4. Step 4: Simplify right side
    190,192.26x = 27,640,046,997.44
  5. Step 5: Solve for x
    x = 27,640,046,997.44/190,192.26
  6. Step 6: Final answer
    x = 145,326.88

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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.