Home / 213,145.09-294,189.57-140,561.04

Finding the Fourth Proportional to 213,145.09, 294,189.57 and 140,561.04

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Solution

The fourth proportional to 213,145.09, 294,189.57 and 140,561.04 is: 194,006.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,145.09 : 294,189.57 = 140,561.04 : x
  2. Step 2: Convert to fraction form
    213,145.09/294,189.57 = 140,561.04/x
  3. Step 3: Cross multiply
    213,145.09x = 294,189.57 × 140,561.04
  4. Step 4: Simplify right side
    213,145.09x = 41,351,591,364.75
  5. Step 5: Solve for x
    x = 41,351,591,364.75/213,145.09
  6. Step 6: Final answer
    x = 194,006.78

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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.