Home / 110,355.21-165,534.36-31,469.43

Finding the Fourth Proportional to 110,355.21, 165,534.36 and 31,469.43

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Solution

The fourth proportional to 110,355.21, 165,534.36 and 31,469.43 is: 47,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,355.21 : 165,534.36 = 31,469.43 : x
  2. Step 2: Convert to fraction form
    110,355.21/165,534.36 = 31,469.43/x
  3. Step 3: Cross multiply
    110,355.21x = 165,534.36 × 31,469.43
  4. Step 4: Simplify right side
    110,355.21x = 5,209,271,954.61
  5. Step 5: Solve for x
    x = 5,209,271,954.61/110,355.21
  6. Step 6: Final answer
    x = 47,204.59

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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.