Home / 202,974.12-280,104.83-112,336.34

Finding the Fourth Proportional to 202,974.12, 280,104.83 and 112,336.34

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Solution

The fourth proportional to 202,974.12, 280,104.83 and 112,336.34 is: 155,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,974.12 : 280,104.83 = 112,336.34 : x
  2. Step 2: Convert to fraction form
    202,974.12/280,104.83 = 112,336.34/x
  3. Step 3: Cross multiply
    202,974.12x = 280,104.83 × 112,336.34
  4. Step 4: Simplify right side
    202,974.12x = 31,465,949,456.32
  5. Step 5: Solve for x
    x = 31,465,949,456.32/202,974.12
  6. Step 6: Final answer
    x = 155,024.44

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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.