Finding the Fourth Proportional to 281,998.67, 423,108.77 and 124,116.44
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Solution
The fourth proportional to 281,998.67, 423,108.77 and 124,116.44 is: 186,223.40
Step by Step Solution
- Step 1: Write the proportion equation
281,998.67 : 423,108.77 = 124,116.44 : x - Step 2: Convert to fraction form
281,998.67/423,108.77 = 124,116.44/x - Step 3: Cross multiply
281,998.67x = 423,108.77 × 124,116.44 - Step 4: Simplify right side
281,998.67x = 52,514,751,529.05 - Step 5: Solve for x
x = 52,514,751,529.05/281,998.67 - Step 6: Final answer
x = 186,223.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.