Finding the Fourth Proportional to 226,948.63, 313,183.45 and 124,973.28
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Solution
The fourth proportional to 226,948.63, 313,183.45 and 124,973.28 is: 172,460.01
Step by Step Solution
- Step 1: Write the proportion equation
226,948.63 : 313,183.45 = 124,973.28 : x - Step 2: Convert to fraction form
226,948.63/313,183.45 = 124,973.28/x - Step 3: Cross multiply
226,948.63x = 313,183.45 × 124,973.28 - Step 4: Simplify right side
226,948.63x = 39,139,562,988.22 - Step 5: Solve for x
x = 39,139,562,988.22/226,948.63 - Step 6: Final answer
x = 172,460.01
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1.5x scale
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.