Home / 231,819.60-347,729.40-113,566.80

Finding the Fourth Proportional to 231,819.60, 347,729.40 and 113,566.80

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Solution

The fourth proportional to 231,819.60, 347,729.40 and 113,566.80 is: 170,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,819.60 : 347,729.40 = 113,566.80 : x
  2. Step 2: Convert to fraction form
    231,819.60/347,729.40 = 113,566.80/x
  3. Step 3: Cross multiply
    231,819.60x = 347,729.40 × 113,566.80
  4. Step 4: Simplify right side
    231,819.60x = 39,490,515,223.92
  5. Step 5: Solve for x
    x = 39,490,515,223.92/231,819.60
  6. Step 6: Final answer
    x = 170,350.20

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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.