Home / 203,586.27-280,949.37-112,942.23

Finding the Fourth Proportional to 203,586.27, 280,949.37 and 112,942.23

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Solution

The fourth proportional to 203,586.27, 280,949.37 and 112,942.23 is: 155,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,586.27 : 280,949.37 = 112,942.23 : x
  2. Step 2: Convert to fraction form
    203,586.27/280,949.37 = 112,942.23/x
  3. Step 3: Cross multiply
    203,586.27x = 280,949.37 × 112,942.23
  4. Step 4: Simplify right side
    203,586.27x = 31,731,048,364.90
  5. Step 5: Solve for x
    x = 31,731,048,364.90/203,586.27
  6. Step 6: Final answer
    x = 155,860.45

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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.