Home / 171,325.20-257,198.40-108,145.20

Finding the Fourth Proportional to 171,325.20, 257,198.40 and 108,145.20

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Solution

The fourth proportional to 171,325.20, 257,198.40 and 108,145.20 is: 162,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,325.20 : 257,198.40 = 108,145.20 : x
  2. Step 2: Convert to fraction form
    171,325.20/257,198.40 = 108,145.20/x
  3. Step 3: Cross multiply
    171,325.20x = 257,198.40 × 108,145.20
  4. Step 4: Simplify right side
    171,325.20x = 27,814,772,407.68
  5. Step 5: Solve for x
    x = 27,814,772,407.68/171,325.20
  6. Step 6: Final answer
    x = 162,350.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.