Home / 110,428.20-165,638.38-35,553.42

Finding the Fourth Proportional to 110,428.20, 165,638.38 and 35,553.42

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Solution

The fourth proportional to 110,428.20, 165,638.38 and 35,553.42 is: 53,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,428.20 : 165,638.38 = 35,553.42 : x
  2. Step 2: Convert to fraction form
    110,428.20/165,638.38 = 35,553.42/x
  3. Step 3: Cross multiply
    110,428.20x = 165,638.38 × 35,553.42
  4. Step 4: Simplify right side
    110,428.20x = 5,889,010,892.26
  5. Step 5: Solve for x
    x = 5,889,010,892.26/110,428.20
  6. Step 6: Final answer
    x = 53,328.87

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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.