Finding the Fourth Proportional to 186,690.04, 257,655.40 and 114,077.99
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Solution
The fourth proportional to 186,690.04, 257,655.40 and 114,077.99 is: 157,441.77
Step by Step Solution
- Step 1: Write the proportion equation
186,690.04 : 257,655.40 = 114,077.99 : x - Step 2: Convert to fraction form
186,690.04/257,655.40 = 114,077.99/x - Step 3: Cross multiply
186,690.04x = 257,655.40 × 114,077.99 - Step 4: Simplify right side
186,690.04x = 29,392,810,503.59 - Step 5: Solve for x
x = 29,392,810,503.59/186,690.04 - Step 6: Final answer
x = 157,441.77
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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.