Finding the Fourth Proportional to 464,086.81, 696,130.81 and 127,130.42
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Solution
The fourth proportional to 464,086.81, 696,130.81 and 127,130.42 is: 190,695.79
Step by Step Solution
- Step 1: Write the proportion equation
464,086.81 : 696,130.81 = 127,130.42 : x - Step 2: Convert to fraction form
464,086.81/696,130.81 = 127,130.42/x - Step 3: Cross multiply
464,086.81x = 696,130.81 × 127,130.42 - Step 4: Simplify right side
464,086.81x = 88,499,402,250.24 - Step 5: Solve for x
x = 88,499,402,250.24/464,086.81 - Step 6: Final answer
x = 190,695.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.