Finding the Fourth Proportional to 188,577.13, 260,225.58 and 103,694.26
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Solution
The fourth proportional to 188,577.13, 260,225.58 and 103,694.26 is: 143,092.11
Step by Step Solution
- Step 1: Write the proportion equation
188,577.13 : 260,225.58 = 103,694.26 : x - Step 2: Convert to fraction form
188,577.13/260,225.58 = 103,694.26/x - Step 3: Cross multiply
188,577.13x = 260,225.58 × 103,694.26 - Step 4: Simplify right side
188,577.13x = 26,983,898,951.17 - Step 5: Solve for x
x = 26,983,898,951.17/188,577.13 - Step 6: Final answer
x = 143,092.11
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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.