Home / 213,436.23-294,542.10-117,942.92

Finding the Fourth Proportional to 213,436.23, 294,542.10 and 117,942.92

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Solution

The fourth proportional to 213,436.23, 294,542.10 and 117,942.92 is: 162,761.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,436.23 : 294,542.10 = 117,942.92 : x
  2. Step 2: Convert to fraction form
    213,436.23/294,542.10 = 117,942.92/x
  3. Step 3: Cross multiply
    213,436.23x = 294,542.10 × 117,942.92
  4. Step 4: Simplify right side
    213,436.23x = 34,739,155,778.43
  5. Step 5: Solve for x
    x = 34,739,155,778.43/213,436.23
  6. Step 6: Final answer
    x = 162,761.29

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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.