Home / 165,984.60-248,588.10-113,107.80

Finding the Fourth Proportional to 165,984.60, 248,588.10 and 113,107.80

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Solution

The fourth proportional to 165,984.60, 248,588.10 and 113,107.80 is: 169,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,984.60 : 248,588.10 = 113,107.80 : x
  2. Step 2: Convert to fraction form
    165,984.60/248,588.10 = 113,107.80/x
  3. Step 3: Cross multiply
    165,984.60x = 248,588.10 × 113,107.80
  4. Step 4: Simplify right side
    165,984.60x = 28,117,253,097.18
  5. Step 5: Solve for x
    x = 28,117,253,097.18/165,984.60
  6. Step 6: Final answer
    x = 169,396.76

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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.