Home / 179,986.98-269,987.85-61,739.64

Finding the Fourth Proportional to 179,986.98, 269,987.85 and 61,739.64

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Solution

The fourth proportional to 179,986.98, 269,987.85 and 61,739.64 is: 92,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,986.98 : 269,987.85 = 61,739.64 : x
  2. Step 2: Convert to fraction form
    179,986.98/269,987.85 = 61,739.64/x
  3. Step 3: Cross multiply
    179,986.98x = 269,987.85 × 61,739.64
  4. Step 4: Simplify right side
    179,986.98x = 16,668,952,663.37
  5. Step 5: Solve for x
    x = 16,668,952,663.37/179,986.98
  6. Step 6: Final answer
    x = 92,611.99

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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.