Home / 203,339.27-280,600.55-112,696.78

Finding the Fourth Proportional to 203,339.27, 280,600.55 and 112,696.78

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Solution

The fourth proportional to 203,339.27, 280,600.55 and 112,696.78 is: 155,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,339.27 : 280,600.55 = 112,696.78 : x
  2. Step 2: Convert to fraction form
    203,339.27/280,600.55 = 112,696.78/x
  3. Step 3: Cross multiply
    203,339.27x = 280,600.55 × 112,696.78
  4. Step 4: Simplify right side
    203,339.27x = 31,622,777,186.24
  5. Step 5: Solve for x
    x = 31,622,777,186.24/203,339.27
  6. Step 6: Final answer
    x = 155,517.32

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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.