Home / 143,836.11-215,828.10-110,317.44

Finding the Fourth Proportional to 143,836.11, 215,828.10 and 110,317.44

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Solution

The fourth proportional to 143,836.11, 215,828.10 and 110,317.44 is: 165,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,836.11 : 215,828.10 = 110,317.44 : x
  2. Step 2: Convert to fraction form
    143,836.11/215,828.10 = 110,317.44/x
  3. Step 3: Cross multiply
    143,836.11x = 215,828.10 × 110,317.44
  4. Step 4: Simplify right side
    143,836.11x = 23,809,603,472.06
  5. Step 5: Solve for x
    x = 23,809,603,472.06/143,836.11
  6. Step 6: Final answer
    x = 165,532.87

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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.