Finding the Fourth Proportional to 141,918.89, 195,774.77 and 88,183.49
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Solution
The fourth proportional to 141,918.89, 195,774.77 and 88,183.49 is: 121,647.67
Step by Step Solution
- Step 1: Write the proportion equation
141,918.89 : 195,774.77 = 88,183.49 : x - Step 2: Convert to fraction form
141,918.89/195,774.77 = 88,183.49/x - Step 3: Cross multiply
141,918.89x = 195,774.77 × 88,183.49 - Step 4: Simplify right side
141,918.89x = 17,264,101,714.13 - Step 5: Solve for x
x = 17,264,101,714.13/141,918.89 - Step 6: Final answer
x = 121,647.67
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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.