Finding the Fourth Proportional to 186,739.57, 257,720.57 and 114,184.99
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Solution
The fourth proportional to 186,739.57, 257,720.57 and 114,184.99 is: 157,587.49
Step by Step Solution
- Step 1: Write the proportion equation
186,739.57 : 257,720.57 = 114,184.99 : x - Step 2: Convert to fraction form
186,739.57/257,720.57 = 114,184.99/x - Step 3: Cross multiply
186,739.57x = 257,720.57 × 114,184.99 - Step 4: Simplify right side
186,739.57x = 29,427,820,708.24 - Step 5: Solve for x
x = 29,427,820,708.24/186,739.57 - Step 6: Final answer
x = 157,587.49
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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.