Home / 199,717.53-299,578.86-111,532.02

Finding the Fourth Proportional to 199,717.53, 299,578.86 and 111,532.02

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Solution

The fourth proportional to 199,717.53, 299,578.86 and 111,532.02 is: 167,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,717.53 : 299,578.86 = 111,532.02 : x
  2. Step 2: Convert to fraction form
    199,717.53/299,578.86 = 111,532.02/x
  3. Step 3: Cross multiply
    199,717.53x = 299,578.86 × 111,532.02
  4. Step 4: Simplify right side
    199,717.53x = 33,412,635,405.10
  5. Step 5: Solve for x
    x = 33,412,635,405.10/199,717.53
  6. Step 6: Final answer
    x = 167,299.46

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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.