Finding the Fourth Proportional to 292,119.12, 403,143.18 and 164,791.98
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Solution
The fourth proportional to 292,119.12, 403,143.18 and 164,791.98 is: 227,423.53
Step by Step Solution
- Step 1: Write the proportion equation
292,119.12 : 403,143.18 = 164,791.98 : x - Step 2: Convert to fraction form
292,119.12/403,143.18 = 164,791.98/x - Step 3: Cross multiply
292,119.12x = 403,143.18 × 164,791.98 - Step 4: Simplify right side
292,119.12x = 66,434,762,855.70 - Step 5: Solve for x
x = 66,434,762,855.70/292,119.12 - Step 6: Final answer
x = 227,423.53
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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.