Finding the Fourth Proportional to 140,916.11, 211,381.59 and 35,735.99
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Solution
The fourth proportional to 140,916.11, 211,381.59 and 35,735.99 is: 53,605.87
Step by Step Solution
- Step 1: Write the proportion equation
140,916.11 : 211,381.59 = 35,735.99 : x - Step 2: Convert to fraction form
140,916.11/211,381.59 = 35,735.99/x - Step 3: Cross multiply
140,916.11x = 211,381.59 × 35,735.99 - Step 4: Simplify right side
140,916.11x = 7,553,930,386.42 - Step 5: Solve for x
x = 7,553,930,386.42/140,916.11 - Step 6: Final answer
x = 53,605.87
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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.