Finding the Fourth Proportional to 183,700.91, 253,534.93 and 112,122.53
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Solution
The fourth proportional to 183,700.91, 253,534.93 and 112,122.53 is: 154,745.98
Step by Step Solution
- Step 1: Write the proportion equation
183,700.91 : 253,534.93 = 112,122.53 : x - Step 2: Convert to fraction form
183,700.91/253,534.93 = 112,122.53/x - Step 3: Cross multiply
183,700.91x = 253,534.93 × 112,122.53 - Step 4: Simplify right side
183,700.91x = 28,426,977,197.75 - Step 5: Solve for x
x = 28,426,977,197.75/183,700.91 - Step 6: Final answer
x = 154,745.98
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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.