Finding the Fourth Proportional to 181,106.24, 249,922.01 and 99,434.09
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Solution
The fourth proportional to 181,106.24, 249,922.01 and 99,434.09 is: 137,216.52
Step by Step Solution
- Step 1: Write the proportion equation
181,106.24 : 249,922.01 = 99,434.09 : x - Step 2: Convert to fraction form
181,106.24/249,922.01 = 99,434.09/x - Step 3: Cross multiply
181,106.24x = 249,922.01 × 99,434.09 - Step 4: Simplify right side
181,106.24x = 24,850,768,508.71 - Step 5: Solve for x
x = 24,850,768,508.71/181,106.24 - Step 6: Final answer
x = 137,216.52
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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.