Home / 156,992.23-235,455.38-51,786.55

Finding the Fourth Proportional to 156,992.23, 235,455.38 and 51,786.55

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Solution

The fourth proportional to 156,992.23, 235,455.38 and 51,786.55 is: 77,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,992.23 : 235,455.38 = 51,786.55 : x
  2. Step 2: Convert to fraction form
    156,992.23/235,455.38 = 51,786.55/x
  3. Step 3: Cross multiply
    156,992.23x = 235,455.38 × 51,786.55
  4. Step 4: Simplify right side
    156,992.23x = 12,193,420,372.93
  5. Step 5: Solve for x
    x = 12,193,420,372.93/156,992.23
  6. Step 6: Final answer
    x = 77,668.94

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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.