Home / 159,231.44-238,650.24-80,368.16

Finding the Fourth Proportional to 159,231.44, 238,650.24 and 80,368.16

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Solution

The fourth proportional to 159,231.44, 238,650.24 and 80,368.16 is: 120,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,231.44 : 238,650.24 = 80,368.16 : x
  2. Step 2: Convert to fraction form
    159,231.44/238,650.24 = 80,368.16/x
  3. Step 3: Cross multiply
    159,231.44x = 238,650.24 × 80,368.16
  4. Step 4: Simplify right side
    159,231.44x = 19,179,880,672.36
  5. Step 5: Solve for x
    x = 19,179,880,672.36/159,231.44
  6. Step 6: Final answer
    x = 120,452.85

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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.