Finding the Fourth Proportional to 205,389.30, 283,409.19 and 114,734.07
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Solution
The fourth proportional to 205,389.30, 283,409.19 and 114,734.07 is: 158,317.35
Step by Step Solution
- Step 1: Write the proportion equation
205,389.30 : 283,409.19 = 114,734.07 : x - Step 2: Convert to fraction form
205,389.30/283,409.19 = 114,734.07/x - Step 3: Cross multiply
205,389.30x = 283,409.19 × 114,734.07 - Step 4: Simplify right side
205,389.30x = 32,516,689,844.10 - Step 5: Solve for x
x = 32,516,689,844.10/205,389.30 - Step 6: Final answer
x = 158,317.35
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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.