Finding the Fourth Proportional to 226,142.49, 312,074.46 and 124,167.06
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Solution
The fourth proportional to 226,142.49, 312,074.46 and 124,167.06 is: 171,349.35
Step by Step Solution
- Step 1: Write the proportion equation
226,142.49 : 312,074.46 = 124,167.06 : x - Step 2: Convert to fraction form
226,142.49/312,074.46 = 124,167.06/x - Step 3: Cross multiply
226,142.49x = 312,074.46 × 124,167.06 - Step 4: Simplify right side
226,142.49x = 38,749,369,341.24 - Step 5: Solve for x
x = 38,749,369,341.24/226,142.49 - Step 6: Final answer
x = 171,349.35
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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.