Finding the Fourth Proportional to 186,646.61, 257,577.95 and 101,765.09
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Solution
The fourth proportional to 186,646.61, 257,577.95 and 101,765.09 is: 140,438.89
Step by Step Solution
- Step 1: Write the proportion equation
186,646.61 : 257,577.95 = 101,765.09 : x - Step 2: Convert to fraction form
186,646.61/257,577.95 = 101,765.09/x - Step 3: Cross multiply
186,646.61x = 257,577.95 × 101,765.09 - Step 4: Simplify right side
186,646.61x = 26,212,443,263.77 - Step 5: Solve for x
x = 26,212,443,263.77/186,646.61 - Step 6: Final answer
x = 140,438.89
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1.5x scale
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.