Finding the Fourth Proportional to 226,913.14, 313,129.20 and 124,936.48
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Solution
The fourth proportional to 226,913.14, 313,129.20 and 124,936.48 is: 172,406.32
Step by Step Solution
- Step 1: Write the proportion equation
226,913.14 : 313,129.20 = 124,936.48 : x - Step 2: Convert to fraction form
226,913.14/313,129.20 = 124,936.48/x - Step 3: Cross multiply
226,913.14x = 313,129.20 × 124,936.48 - Step 4: Simplify right side
226,913.14x = 39,121,260,033.22 - Step 5: Solve for x
x = 39,121,260,033.22/226,913.14 - Step 6: Final answer
x = 172,406.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.