Home / 171,088.23-256,410.40-76,183.37

Finding the Fourth Proportional to 171,088.23, 256,410.40 and 76,183.37

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Solution

The fourth proportional to 171,088.23, 256,410.40 and 76,183.37 is: 114,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,088.23 : 256,410.40 = 76,183.37 : x
  2. Step 2: Convert to fraction form
    171,088.23/256,410.40 = 76,183.37/x
  3. Step 3: Cross multiply
    171,088.23x = 256,410.40 × 76,183.37
  4. Step 4: Simplify right side
    171,088.23x = 19,534,208,375.05
  5. Step 5: Solve for x
    x = 19,534,208,375.05/171,088.23
  6. Step 6: Final answer
    x = 114,176.23

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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.