Finding the Fourth Proportional to 175,877.34, 242,715.24 and 107,931.84
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Solution
The fourth proportional to 175,877.34, 242,715.24 and 107,931.84 is: 148,948.71
Step by Step Solution
- Step 1: Write the proportion equation
175,877.34 : 242,715.24 = 107,931.84 : x - Step 2: Convert to fraction form
175,877.34/242,715.24 = 107,931.84/x - Step 3: Cross multiply
175,877.34x = 242,715.24 × 107,931.84 - Step 4: Simplify right side
175,877.34x = 26,196,702,449.24 - Step 5: Solve for x
x = 26,196,702,449.24/175,877.34 - Step 6: Final answer
x = 148,948.71
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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.