Home / 202,064.28-278,843.22-111,418.80

Finding the Fourth Proportional to 202,064.28, 278,843.22 and 111,418.80

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Solution

The fourth proportional to 202,064.28, 278,843.22 and 111,418.80 is: 153,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,064.28 : 278,843.22 = 111,418.80 : x
  2. Step 2: Convert to fraction form
    202,064.28/278,843.22 = 111,418.80/x
  3. Step 3: Cross multiply
    202,064.28x = 278,843.22 × 111,418.80
  4. Step 4: Simplify right side
    202,064.28x = 31,068,376,960.54
  5. Step 5: Solve for x
    x = 31,068,376,960.54/202,064.28
  6. Step 6: Final answer
    x = 153,754.92

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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.