Finding the Fourth Proportional to 180,319.64, 270,504.06 and 75,114
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Solution
The fourth proportional to 180,319.64, 270,504.06 and 75,114 is: 112,681.25
Step by Step Solution
- Step 1: Write the proportion equation
180,319.64 : 270,504.06 = 75,114 : x - Step 2: Convert to fraction form
180,319.64/270,504.06 = 75,114/x - Step 3: Cross multiply
180,319.64x = 270,504.06 × 75,114 - Step 4: Simplify right side
180,319.64x = 20,318,641,681.16 - Step 5: Solve for x
x = 20,318,641,681.16/180,319.64 - Step 6: Final answer
x = 112,681.25
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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.