Home / 231,681.20-347,716.20-113,453.60

Finding the Fourth Proportional to 231,681.20, 347,716.20 and 113,453.60

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Solution

The fourth proportional to 231,681.20, 347,716.20 and 113,453.60 is: 170,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,681.20 : 347,716.20 = 113,453.60 : x
  2. Step 2: Convert to fraction form
    231,681.20/347,716.20 = 113,453.60/x
  3. Step 3: Cross multiply
    231,681.20x = 347,716.20 × 113,453.60
  4. Step 4: Simplify right side
    231,681.20x = 39,449,654,668.32
  5. Step 5: Solve for x
    x = 39,449,654,668.32/231,681.20
  6. Step 6: Final answer
    x = 170,275.60

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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.