Finding the Fourth Proportional to 186,538.26, 257,422.35 and 101,655.18
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Solution
The fourth proportional to 186,538.26, 257,422.35 and 101,655.18 is: 140,283.90
Step by Step Solution
- Step 1: Write the proportion equation
186,538.26 : 257,422.35 = 101,655.18 : x - Step 2: Convert to fraction form
186,538.26/257,422.35 = 101,655.18/x - Step 3: Cross multiply
186,538.26x = 257,422.35 × 101,655.18 - Step 4: Simplify right side
186,538.26x = 26,168,315,325.27 - Step 5: Solve for x
x = 26,168,315,325.27/186,538.26 - Step 6: Final answer
x = 140,283.90
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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.