Finding the Fourth Proportional to 237,867.95, 328,272.95 and 157,153.88
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Solution
The fourth proportional to 237,867.95, 328,272.95 and 157,153.88 is: 216,882.38
Step by Step Solution
- Step 1: Write the proportion equation
237,867.95 : 328,272.95 = 157,153.88 : x - Step 2: Convert to fraction form
237,867.95/328,272.95 = 157,153.88/x - Step 3: Cross multiply
237,867.95x = 328,272.95 × 157,153.88 - Step 4: Simplify right side
237,867.95x = 51,589,367,791.55 - Step 5: Solve for x
x = 51,589,367,791.55/237,867.95 - Step 6: Final answer
x = 216,882.38
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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.