Finding the Fourth Proportional to 132,402.44, 198,603.66 and 93,135.26
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Solution
The fourth proportional to 132,402.44, 198,603.66 and 93,135.26 is: 139,702.89
Step by Step Solution
- Step 1: Write the proportion equation
132,402.44 : 198,603.66 = 93,135.26 : x - Step 2: Convert to fraction form
132,402.44/198,603.66 = 93,135.26/x - Step 3: Cross multiply
132,402.44x = 198,603.66 × 93,135.26 - Step 4: Simplify right side
132,402.44x = 18,497,003,511.05 - Step 5: Solve for x
x = 18,497,003,511.05/132,402.44 - Step 6: Final answer
x = 139,702.89
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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.