Home / 170,864.70-256,297.05-82,096.80

Finding the Fourth Proportional to 170,864.70, 256,297.05 and 82,096.80

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Solution

The fourth proportional to 170,864.70, 256,297.05 and 82,096.80 is: 123,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,864.70 : 256,297.05 = 82,096.80 : x
  2. Step 2: Convert to fraction form
    170,864.70/256,297.05 = 82,096.80/x
  3. Step 3: Cross multiply
    170,864.70x = 256,297.05 × 82,096.80
  4. Step 4: Simplify right side
    170,864.70x = 21,041,167,654.44
  5. Step 5: Solve for x
    x = 21,041,167,654.44/170,864.70
  6. Step 6: Final answer
    x = 123,145.20

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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.