Finding the Fourth Proportional to 170,709.93, 235,668.18 and 124,717.93
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Solution
The fourth proportional to 170,709.93, 235,668.18 and 124,717.93 is: 172,175.38
Step by Step Solution
- Step 1: Write the proportion equation
170,709.93 : 235,668.18 = 124,717.93 : x - Step 2: Convert to fraction form
170,709.93/235,668.18 = 124,717.93/x - Step 3: Cross multiply
170,709.93x = 235,668.18 × 124,717.93 - Step 4: Simplify right side
170,709.93x = 29,392,047,454.99 - Step 5: Solve for x
x = 29,392,047,454.99/170,709.93 - Step 6: Final answer
x = 172,175.38
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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.