Home / 110,090.28-165,149.78-31,206.57

Finding the Fourth Proportional to 110,090.28, 165,149.78 and 31,206.57

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Solution

The fourth proportional to 110,090.28, 165,149.78 and 31,206.57 is: 46,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,090.28 : 165,149.78 = 31,206.57 : x
  2. Step 2: Convert to fraction form
    110,090.28/165,149.78 = 31,206.57/x
  3. Step 3: Cross multiply
    110,090.28x = 165,149.78 × 31,206.57
  4. Step 4: Simplify right side
    110,090.28x = 5,153,758,170.05
  5. Step 5: Solve for x
    x = 5,153,758,170.05/110,090.28
  6. Step 6: Final answer
    x = 46,813.93

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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.