Finding the Fourth Proportional to 292,396.23, 403,508.02 and 158,260.23
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Solution
The fourth proportional to 292,396.23, 403,508.02 and 158,260.23 is: 218,399.78
Step by Step Solution
- Step 1: Write the proportion equation
292,396.23 : 403,508.02 = 158,260.23 : x - Step 2: Convert to fraction form
292,396.23/403,508.02 = 158,260.23/x - Step 3: Cross multiply
292,396.23x = 403,508.02 × 158,260.23 - Step 4: Simplify right side
292,396.23x = 63,859,272,052.04 - Step 5: Solve for x
x = 63,859,272,052.04/292,396.23 - Step 6: Final answer
x = 218,399.78
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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.