Finding the Fourth Proportional to 214,896.40, 296,582.90 and 124,274.63
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Solution
The fourth proportional to 214,896.40, 296,582.90 and 124,274.63 is: 171,513.95
Step by Step Solution
- Step 1: Write the proportion equation
214,896.40 : 296,582.90 = 124,274.63 : x - Step 2: Convert to fraction form
214,896.40/296,582.90 = 124,274.63/x - Step 3: Cross multiply
214,896.40x = 296,582.90 × 124,274.63 - Step 4: Simplify right side
214,896.40x = 36,857,730,281.91 - Step 5: Solve for x
x = 36,857,730,281.91/214,896.40 - Step 6: Final answer
x = 171,513.95
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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.