Home / 104,089.28-143,524.32-82,869.44

Finding the Fourth Proportional to 104,089.28, 143,524.32 and 82,869.44

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Solution

The fourth proportional to 104,089.28, 143,524.32 and 82,869.44 is: 114,265.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,089.28 : 143,524.32 = 82,869.44 : x
  2. Step 2: Convert to fraction form
    104,089.28/143,524.32 = 82,869.44/x
  3. Step 3: Cross multiply
    104,089.28x = 143,524.32 × 82,869.44
  4. Step 4: Simplify right side
    104,089.28x = 11,893,780,024.78
  5. Step 5: Solve for x
    x = 11,893,780,024.78/104,089.28
  6. Step 6: Final answer
    x = 114,265.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.