Home / 213,205.20-294,223.92-117,712.56

Finding the Fourth Proportional to 213,205.20, 294,223.92 and 117,712.56

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Solution

The fourth proportional to 213,205.20, 294,223.92 and 117,712.56 is: 162,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,205.20 : 294,223.92 = 117,712.56 : x
  2. Step 2: Convert to fraction form
    213,205.20/294,223.92 = 117,712.56/x
  3. Step 3: Cross multiply
    213,205.20x = 294,223.92 × 117,712.56
  4. Step 4: Simplify right side
    213,205.20x = 34,633,850,836.44
  5. Step 5: Solve for x
    x = 34,633,850,836.44/213,205.20
  6. Step 6: Final answer
    x = 162,443.74

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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.