Home / 104,851.28-157,145.76-82,576.68

Finding the Fourth Proportional to 104,851.28, 157,145.76 and 82,576.68

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Solution

The fourth proportional to 104,851.28, 157,145.76 and 82,576.68 is: 123,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,851.28 : 157,145.76 = 82,576.68 : x
  2. Step 2: Convert to fraction form
    104,851.28/157,145.76 = 82,576.68/x
  3. Step 3: Cross multiply
    104,851.28x = 157,145.76 × 82,576.68
  4. Step 4: Simplify right side
    104,851.28x = 12,976,575,136.88
  5. Step 5: Solve for x
    x = 12,976,575,136.88/104,851.28
  6. Step 6: Final answer
    x = 123,761.73

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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.