Finding the Fourth Proportional to 544,143.24, 816,213.78 and 144,783.99
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Solution
The fourth proportional to 544,143.24, 816,213.78 and 144,783.99 is: 217,175.70
Step by Step Solution
- Step 1: Write the proportion equation
544,143.24 : 816,213.78 = 144,783.99 : x - Step 2: Convert to fraction form
544,143.24/816,213.78 = 144,783.99/x - Step 3: Cross multiply
544,143.24x = 816,213.78 × 144,783.99 - Step 4: Simplify right side
544,143.24x = 118,174,687,761.38 - Step 5: Solve for x
x = 118,174,687,761.38/544,143.24 - Step 6: Final answer
x = 217,175.70
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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.