Finding the Fourth Proportional to 186,437.52, 257,284.08 and 101,554.92
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Solution
The fourth proportional to 186,437.52, 257,284.08 and 101,554.92 is: 140,145.95
Step by Step Solution
- Step 1: Write the proportion equation
186,437.52 : 257,284.08 = 101,554.92 : x - Step 2: Convert to fraction form
186,437.52/257,284.08 = 101,554.92/x - Step 3: Cross multiply
186,437.52x = 257,284.08 × 101,554.92 - Step 4: Simplify right side
186,437.52x = 26,128,464,161.67 - Step 5: Solve for x
x = 26,128,464,161.67/186,437.52 - Step 6: Final answer
x = 140,145.95
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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.