Home / 171,204.23-256,858.09-51,265.10

Finding the Fourth Proportional to 171,204.23, 256,858.09 and 51,265.10

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Solution

The fourth proportional to 171,204.23, 256,858.09 and 51,265.10 is: 76,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,204.23 : 256,858.09 = 51,265.10 : x
  2. Step 2: Convert to fraction form
    171,204.23/256,858.09 = 51,265.10/x
  3. Step 3: Cross multiply
    171,204.23x = 256,858.09 × 51,265.10
  4. Step 4: Simplify right side
    171,204.23x = 13,167,856,183.64
  5. Step 5: Solve for x
    x = 13,167,856,183.64/171,204.23
  6. Step 6: Final answer
    x = 76,913.15

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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.