Finding the Fourth Proportional to 137,032.29, 205,212.96 and 113,193.99
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Solution
The fourth proportional to 137,032.29, 205,212.96 and 113,193.99 is: 169,513.87
Step by Step Solution
- Step 1: Write the proportion equation
137,032.29 : 205,212.96 = 113,193.99 : x - Step 2: Convert to fraction form
137,032.29/205,212.96 = 113,193.99/x - Step 3: Cross multiply
137,032.29x = 205,212.96 × 113,193.99 - Step 4: Simplify right side
137,032.29x = 23,228,873,742.11 - Step 5: Solve for x
x = 23,228,873,742.11/137,032.29 - Step 6: Final answer
x = 169,513.87
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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.