Finding the Fourth Proportional to 195,621.74, 269,964.42 and 110,736.98
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Solution
The fourth proportional to 195,621.74, 269,964.42 and 110,736.98 is: 152,820.67
Step by Step Solution
- Step 1: Write the proportion equation
195,621.74 : 269,964.42 = 110,736.98 : x - Step 2: Convert to fraction form
195,621.74/269,964.42 = 110,736.98/x - Step 3: Cross multiply
195,621.74x = 269,964.42 × 110,736.98 - Step 4: Simplify right side
195,621.74x = 29,895,044,578.25 - Step 5: Solve for x
x = 29,895,044,578.25/195,621.74 - Step 6: Final answer
x = 152,820.67
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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.