Finding the Fourth Proportional to 226,840.97, 313,038.14 and 124,864.23
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Solution
The fourth proportional to 226,840.97, 313,038.14 and 124,864.23 is: 172,311.32
Step by Step Solution
- Step 1: Write the proportion equation
226,840.97 : 313,038.14 = 124,864.23 : x - Step 2: Convert to fraction form
226,840.97/313,038.14 = 124,864.23/x - Step 3: Cross multiply
226,840.97x = 313,038.14 × 124,864.23 - Step 4: Simplify right side
226,840.97x = 39,087,266,861.30 - Step 5: Solve for x
x = 39,087,266,861.30/226,840.97 - Step 6: Final answer
x = 172,311.32
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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.