Home / 199,128.24-299,033.28-132,993.36

Finding the Fourth Proportional to 199,128.24, 299,033.28 and 132,993.36

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Solution

The fourth proportional to 199,128.24, 299,033.28 and 132,993.36 is: 199,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,128.24 : 299,033.28 = 132,993.36 : x
  2. Step 2: Convert to fraction form
    199,128.24/299,033.28 = 132,993.36/x
  3. Step 3: Cross multiply
    199,128.24x = 299,033.28 × 132,993.36
  4. Step 4: Simplify right side
    199,128.24x = 39,769,440,659.02
  5. Step 5: Solve for x
    x = 39,769,440,659.02/199,128.24
  6. Step 6: Final answer
    x = 199,717.73

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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.