Finding the Fourth Proportional to 164,897.64, 246,961.62 and 120,414.06
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Solution
The fourth proportional to 164,897.64, 246,961.62 and 120,414.06 is: 180,340.07
Step by Step Solution
- Step 1: Write the proportion equation
164,897.64 : 246,961.62 = 120,414.06 : x - Step 2: Convert to fraction form
164,897.64/246,961.62 = 120,414.06/x - Step 3: Cross multiply
164,897.64x = 246,961.62 × 120,414.06 - Step 4: Simplify right side
164,897.64x = 29,737,651,328.38 - Step 5: Solve for x
x = 29,737,651,328.38/164,897.64 - Step 6: Final answer
x = 180,340.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.