Finding the Fourth Proportional to 292,075.26, 403,063.86 and 157,939.26
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Solution
The fourth proportional to 292,075.26, 403,063.86 and 157,939.26 is: 217,956.18
Step by Step Solution
- Step 1: Write the proportion equation
292,075.26 : 403,063.86 = 157,939.26 : x - Step 2: Convert to fraction form
292,075.26/403,063.86 = 157,939.26/x - Step 3: Cross multiply
292,075.26x = 403,063.86 × 157,939.26 - Step 4: Simplify right side
292,075.26x = 63,659,607,781.14 - Step 5: Solve for x
x = 63,659,607,781.14/292,075.26 - Step 6: Final answer
x = 217,956.18
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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.