Finding the Fourth Proportional to 167,636.12, 249,874.95 and 154,184.05
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Solution
The fourth proportional to 167,636.12, 249,874.95 and 154,184.05 is: 229,823.56
Step by Step Solution
- Step 1: Write the proportion equation
167,636.12 : 249,874.95 = 154,184.05 : x - Step 2: Convert to fraction form
167,636.12/249,874.95 = 154,184.05/x - Step 3: Cross multiply
167,636.12x = 249,874.95 × 154,184.05 - Step 4: Simplify right side
167,636.12x = 38,526,730,581.67 - Step 5: Solve for x
x = 38,526,730,581.67/167,636.12 - Step 6: Final answer
x = 229,823.56
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.