Finding the Fourth Proportional to 255,034.08, 351,946.02 and 141,856.84
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Solution
The fourth proportional to 255,034.08, 351,946.02 and 141,856.84 is: 195,761.88
Step by Step Solution
- Step 1: Write the proportion equation
255,034.08 : 351,946.02 = 141,856.84 : x - Step 2: Convert to fraction form
255,034.08/351,946.02 = 141,856.84/x - Step 3: Cross multiply
255,034.08x = 351,946.02 × 141,856.84 - Step 4: Simplify right side
255,034.08x = 49,925,950,247.78 - Step 5: Solve for x
x = 49,925,950,247.78/255,034.08 - Step 6: Final answer
x = 195,761.88
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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.