Finding the Fourth Proportional to 134,329.62, 185,370.18 and 73,899.62
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Solution
The fourth proportional to 134,329.62, 185,370.18 and 73,899.62 is: 101,978.89
Step by Step Solution
- Step 1: Write the proportion equation
134,329.62 : 185,370.18 = 73,899.62 : x - Step 2: Convert to fraction form
134,329.62/185,370.18 = 73,899.62/x - Step 3: Cross multiply
134,329.62x = 185,370.18 × 73,899.62 - Step 4: Simplify right side
134,329.62x = 13,698,784,934.48 - Step 5: Solve for x
x = 13,698,784,934.48/134,329.62 - Step 6: Final answer
x = 101,978.89
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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.