Home / 213,157.08-294,158.82-117,661.73

Finding the Fourth Proportional to 213,157.08, 294,158.82 and 117,661.73

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Solution

The fourth proportional to 213,157.08, 294,158.82 and 117,661.73 is: 162,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,157.08 : 294,158.82 = 117,661.73 : x
  2. Step 2: Convert to fraction form
    213,157.08/294,158.82 = 117,661.73/x
  3. Step 3: Cross multiply
    213,157.08x = 294,158.82 × 117,661.73
  4. Step 4: Simplify right side
    213,157.08x = 34,611,234,185.16
  5. Step 5: Solve for x
    x = 34,611,234,185.16/213,157.08
  6. Step 6: Final answer
    x = 162,374.31

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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.