Home / 171,087.23-256,408.90-76,182.37

Finding the Fourth Proportional to 171,087.23, 256,408.90 and 76,182.37

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Solution

The fourth proportional to 171,087.23, 256,408.90 and 76,182.37 is: 114,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,087.23 : 256,408.90 = 76,182.37 : x
  2. Step 2: Convert to fraction form
    171,087.23/256,408.90 = 76,182.37/x
  3. Step 3: Cross multiply
    171,087.23x = 256,408.90 × 76,182.37
  4. Step 4: Simplify right side
    171,087.23x = 19,533,837,691.09
  5. Step 5: Solve for x
    x = 19,533,837,691.09/171,087.23
  6. Step 6: Final answer
    x = 114,174.73

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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.