Home / 179,670.30-269,537.85-74,499.90

Finding the Fourth Proportional to 179,670.30, 269,537.85 and 74,499.90

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Solution

The fourth proportional to 179,670.30, 269,537.85 and 74,499.90 is: 111,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,670.30 : 269,537.85 = 74,499.90 : x
  2. Step 2: Convert to fraction form
    179,670.30/269,537.85 = 74,499.90/x
  3. Step 3: Cross multiply
    179,670.30x = 269,537.85 × 74,499.90
  4. Step 4: Simplify right side
    179,670.30x = 20,080,542,871.22
  5. Step 5: Solve for x
    x = 20,080,542,871.22/179,670.30
  6. Step 6: Final answer
    x = 111,763.28

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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.