Home / 209,524.75-289,093.72-123,487.17

Finding the Fourth Proportional to 209,524.75, 289,093.72 and 123,487.17

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Solution

The fourth proportional to 209,524.75, 289,093.72 and 123,487.17 is: 170,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,524.75 : 289,093.72 = 123,487.17 : x
  2. Step 2: Convert to fraction form
    209,524.75/289,093.72 = 123,487.17/x
  3. Step 3: Cross multiply
    209,524.75x = 289,093.72 × 123,487.17
  4. Step 4: Simplify right side
    209,524.75x = 35,699,365,347.57
  5. Step 5: Solve for x
    x = 35,699,365,347.57/209,524.75
  6. Step 6: Final answer
    x = 170,382.57

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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.