Home / 110,131.60-165,203.68-31,239.62

Finding the Fourth Proportional to 110,131.60, 165,203.68 and 31,239.62

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Solution

The fourth proportional to 110,131.60, 165,203.68 and 31,239.62 is: 46,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,131.60 : 165,203.68 = 31,239.62 : x
  2. Step 2: Convert to fraction form
    110,131.60/165,203.68 = 31,239.62/x
  3. Step 3: Cross multiply
    110,131.60x = 165,203.68 × 31,239.62
  4. Step 4: Simplify right side
    110,131.60x = 5,160,900,185.80
  5. Step 5: Solve for x
    x = 5,160,900,185.80/110,131.60
  6. Step 6: Final answer
    x = 46,861.21

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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.