Finding the Fourth Proportional to 141,638.24, 212,457.39 and 46,842.99
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Solution
The fourth proportional to 141,638.24, 212,457.39 and 46,842.99 is: 70,264.49
Step by Step Solution
- Step 1: Write the proportion equation
141,638.24 : 212,457.39 = 46,842.99 : x - Step 2: Convert to fraction form
141,638.24/212,457.39 = 46,842.99/x - Step 3: Cross multiply
141,638.24x = 212,457.39 × 46,842.99 - Step 4: Simplify right side
141,638.24x = 9,952,138,422.82 - Step 5: Solve for x
x = 9,952,138,422.82/141,638.24 - Step 6: Final answer
x = 70,264.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.