Finding the Fourth Proportional to 167,181.95, 230,676.99 and 99,169.13
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Solution
The fourth proportional to 167,181.95, 230,676.99 and 99,169.13 is: 136,833.17
Step by Step Solution
- Step 1: Write the proportion equation
167,181.95 : 230,676.99 = 99,169.13 : x - Step 2: Convert to fraction form
167,181.95/230,676.99 = 99,169.13/x - Step 3: Cross multiply
167,181.95x = 230,676.99 × 99,169.13 - Step 4: Simplify right side
167,181.95x = 22,876,036,614.13 - Step 5: Solve for x
x = 22,876,036,614.13/167,181.95 - Step 6: Final answer
x = 136,833.17
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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.