Home / 213,158.08-294,160.20-117,662.73

Finding the Fourth Proportional to 213,158.08, 294,160.20 and 117,662.73

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Solution

The fourth proportional to 213,158.08, 294,160.20 and 117,662.73 is: 162,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,158.08 : 294,160.20 = 117,662.73 : x
  2. Step 2: Convert to fraction form
    213,158.08/294,160.20 = 117,662.73/x
  3. Step 3: Cross multiply
    213,158.08x = 294,160.20 × 117,662.73
  4. Step 4: Simplify right side
    213,158.08x = 34,611,692,189.35
  5. Step 5: Solve for x
    x = 34,611,692,189.35/213,158.08
  6. Step 6: Final answer
    x = 162,375.70

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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.