Finding the Fourth Proportional to 175,567.74, 242,283.19 and 99,102.93
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Solution
The fourth proportional to 175,567.74, 242,283.19 and 99,102.93 is: 136,761.88
Step by Step Solution
- Step 1: Write the proportion equation
175,567.74 : 242,283.19 = 99,102.93 : x - Step 2: Convert to fraction form
175,567.74/242,283.19 = 99,102.93/x - Step 3: Cross multiply
175,567.74x = 242,283.19 × 99,102.93 - Step 4: Simplify right side
175,567.74x = 24,010,974,018.75 - Step 5: Solve for x
x = 24,010,974,018.75/175,567.74 - Step 6: Final answer
x = 136,761.88
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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.