Finding the Fourth Proportional to 190,653.58, 286,004.21 and 57,533.62
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Solution
The fourth proportional to 190,653.58, 286,004.21 and 57,533.62 is: 86,307.62
Step by Step Solution
- Step 1: Write the proportion equation
190,653.58 : 286,004.21 = 57,533.62 : x - Step 2: Convert to fraction form
190,653.58/286,004.21 = 57,533.62/x - Step 3: Cross multiply
190,653.58x = 286,004.21 × 57,533.62 - Step 4: Simplify right side
190,653.58x = 16,454,857,536.54 - Step 5: Solve for x
x = 16,454,857,536.54/190,653.58 - Step 6: Final answer
x = 86,307.62
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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.