Home / 209,524.86-289,093.92-123,487.26

Finding the Fourth Proportional to 209,524.86, 289,093.92 and 123,487.26

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Solution

The fourth proportional to 209,524.86, 289,093.92 and 123,487.26 is: 170,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,524.86 : 289,093.92 = 123,487.26 : x
  2. Step 2: Convert to fraction form
    209,524.86/289,093.92 = 123,487.26/x
  3. Step 3: Cross multiply
    209,524.86x = 289,093.92 × 123,487.26
  4. Step 4: Simplify right side
    209,524.86x = 35,699,416,063.46
  5. Step 5: Solve for x
    x = 35,699,416,063.46/209,524.86
  6. Step 6: Final answer
    x = 170,382.72

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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.