Home / 216,067.45-298,181.20-120,592.60

Finding the Fourth Proportional to 216,067.45, 298,181.20 and 120,592.60

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Solution

The fourth proportional to 216,067.45, 298,181.20 and 120,592.60 is: 166,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,067.45 : 298,181.20 = 120,592.60 : x
  2. Step 2: Convert to fraction form
    216,067.45/298,181.20 = 120,592.60/x
  3. Step 3: Cross multiply
    216,067.45x = 298,181.20 × 120,592.60
  4. Step 4: Simplify right side
    216,067.45x = 35,958,445,358.30
  5. Step 5: Solve for x
    x = 35,958,445,358.30/216,067.45
  6. Step 6: Final answer
    x = 166,422.32

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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.