Home / 110,133.35-165,206.31-31,241.38

Finding the Fourth Proportional to 110,133.35, 165,206.31 and 31,241.38

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Solution

The fourth proportional to 110,133.35, 165,206.31 and 31,241.38 is: 46,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,133.35 : 165,206.31 = 31,241.38 : x
  2. Step 2: Convert to fraction form
    110,133.35/165,206.31 = 31,241.38/x
  3. Step 3: Cross multiply
    110,133.35x = 165,206.31 × 31,241.38
  4. Step 4: Simplify right side
    110,133.35x = 5,161,273,109.11
  5. Step 5: Solve for x
    x = 5,161,273,109.11/110,133.35
  6. Step 6: Final answer
    x = 46,863.85

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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.