Finding the Fourth Proportional to 316,075.19, 436,174.01 and 193,614.12
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Solution
The fourth proportional to 316,075.19, 436,174.01 and 193,614.12 is: 267,181.52
Step by Step Solution
- Step 1: Write the proportion equation
316,075.19 : 436,174.01 = 193,614.12 : x - Step 2: Convert to fraction form
316,075.19/436,174.01 = 193,614.12/x - Step 3: Cross multiply
316,075.19x = 436,174.01 × 193,614.12 - Step 4: Simplify right side
316,075.19x = 84,449,449,186.82 - Step 5: Solve for x
x = 84,449,449,186.82/316,075.19 - Step 6: Final answer
x = 267,181.52
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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.