Home / 126,942.24-190,132.59-51,834.63

Finding the Fourth Proportional to 126,942.24, 190,132.59 and 51,834.63

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Solution

The fourth proportional to 126,942.24, 190,132.59 and 51,834.63 is: 77,637.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,942.24 : 190,132.59 = 51,834.63 : x
  2. Step 2: Convert to fraction form
    126,942.24/190,132.59 = 51,834.63/x
  3. Step 3: Cross multiply
    126,942.24x = 190,132.59 × 51,834.63
  4. Step 4: Simplify right side
    126,942.24x = 9,855,451,999.90
  5. Step 5: Solve for x
    x = 9,855,451,999.90/126,942.24
  6. Step 6: Final answer
    x = 77,637.29

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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.