Home / 107,195.99-160,761.06-74,128.55

Finding the Fourth Proportional to 107,195.99, 160,761.06 and 74,128.55

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Solution

The fourth proportional to 107,195.99, 160,761.06 and 74,128.55 is: 111,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,195.99 : 160,761.06 = 74,128.55 : x
  2. Step 2: Convert to fraction form
    107,195.99/160,761.06 = 74,128.55/x
  3. Step 3: Cross multiply
    107,195.99x = 160,761.06 × 74,128.55
  4. Step 4: Simplify right side
    107,195.99x = 11,916,984,274.26
  5. Step 5: Solve for x
    x = 11,916,984,274.26/107,195.99
  6. Step 6: Final answer
    x = 111,170.06

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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.