Finding the Fourth Proportional to 186,539.26, 257,423.73 and 101,656.18
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Solution
The fourth proportional to 186,539.26, 257,423.73 and 101,656.18 is: 140,285.28
Step by Step Solution
- Step 1: Write the proportion equation
186,539.26 : 257,423.73 = 101,656.18 : x - Step 2: Convert to fraction form
186,539.26/257,423.73 = 101,656.18/x - Step 3: Cross multiply
186,539.26x = 257,423.73 × 101,656.18 - Step 4: Simplify right side
186,539.26x = 26,168,713,033.15 - Step 5: Solve for x
x = 26,168,713,033.15/186,539.26 - Step 6: Final answer
x = 140,285.28
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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.