Home / 231,669.20-347,698.20-113,441.60

Finding the Fourth Proportional to 231,669.20, 347,698.20 and 113,441.60

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Solution

The fourth proportional to 231,669.20, 347,698.20 and 113,441.60 is: 170,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,669.20 : 347,698.20 = 113,441.60 : x
  2. Step 2: Convert to fraction form
    231,669.20/347,698.20 = 113,441.60/x
  3. Step 3: Cross multiply
    231,669.20x = 347,698.20 × 113,441.60
  4. Step 4: Simplify right side
    231,669.20x = 39,443,440,125.12
  5. Step 5: Solve for x
    x = 39,443,440,125.12/231,669.20
  6. Step 6: Final answer
    x = 170,257.59

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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.