Finding the Fourth Proportional to 226,836.14, 313,034.99 and 124,871.81
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Solution
The fourth proportional to 226,836.14, 313,034.99 and 124,871.81 is: 172,323.71
Step by Step Solution
- Step 1: Write the proportion equation
226,836.14 : 313,034.99 = 124,871.81 : x - Step 2: Convert to fraction form
226,836.14/313,034.99 = 124,871.81/x - Step 3: Cross multiply
226,836.14x = 313,034.99 × 124,871.81 - Step 4: Simplify right side
226,836.14x = 39,089,243,605.10 - Step 5: Solve for x
x = 39,089,243,605.10/226,836.14 - Step 6: Final answer
x = 172,323.71
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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.