Finding the Fourth Proportional to 273,461.10, 409,535.55 and 133,055.70
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Solution
The fourth proportional to 273,461.10, 409,535.55 and 133,055.70 is: 199,264.32
Step by Step Solution
- Step 1: Write the proportion equation
273,461.10 : 409,535.55 = 133,055.70 : x - Step 2: Convert to fraction form
273,461.10/409,535.55 = 133,055.70/x - Step 3: Cross multiply
273,461.10x = 409,535.55 × 133,055.70 - Step 4: Simplify right side
273,461.10x = 54,491,039,280.14 - Step 5: Solve for x
x = 54,491,039,280.14/273,461.10 - Step 6: Final answer
x = 199,264.32
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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.