Home / 170,731.20-256,096.80-108,676.80

Finding the Fourth Proportional to 170,731.20, 256,096.80 and 108,676.80

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Solution

The fourth proportional to 170,731.20, 256,096.80 and 108,676.80 is: 163,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,731.20 : 256,096.80 = 108,676.80 : x
  2. Step 2: Convert to fraction form
    170,731.20/256,096.80 = 108,676.80/x
  3. Step 3: Cross multiply
    170,731.20x = 256,096.80 × 108,676.80
  4. Step 4: Simplify right side
    170,731.20x = 27,831,780,714.24
  5. Step 5: Solve for x
    x = 27,831,780,714.24/170,731.20
  6. Step 6: Final answer
    x = 163,015.20

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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.