Finding the Fourth Proportional to 116,090.50, 160,220.01 and 68,348.26
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Solution
The fourth proportional to 116,090.50, 160,220.01 and 68,348.26 is: 94,329.50
Step by Step Solution
- Step 1: Write the proportion equation
116,090.50 : 160,220.01 = 68,348.26 : x - Step 2: Convert to fraction form
116,090.50/160,220.01 = 68,348.26/x - Step 3: Cross multiply
116,090.50x = 160,220.01 × 68,348.26 - Step 4: Simplify right side
116,090.50x = 10,950,758,900.68 - Step 5: Solve for x
x = 10,950,758,900.68/116,090.50 - Step 6: Final answer
x = 94,329.50
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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.