Finding the Fourth Proportional to 292,264.25, 403,324.67 and 158,128.25
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Solution
The fourth proportional to 292,264.25, 403,324.67 and 158,128.25 is: 218,216.99
Step by Step Solution
- Step 1: Write the proportion equation
292,264.25 : 403,324.67 = 158,128.25 : x - Step 2: Convert to fraction form
292,264.25/403,324.67 = 158,128.25/x - Step 3: Cross multiply
292,264.25x = 403,324.67 × 158,128.25 - Step 4: Simplify right side
292,264.25x = 63,777,023,458.29 - Step 5: Solve for x
x = 63,777,023,458.29/292,264.25 - Step 6: Final answer
x = 218,216.99
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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.