Home / 199,716.03-299,576.61-111,530.52

Finding the Fourth Proportional to 199,716.03, 299,576.61 and 111,530.52

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Solution

The fourth proportional to 199,716.03, 299,576.61 and 111,530.52 is: 167,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,716.03 : 299,576.61 = 111,530.52 : x
  2. Step 2: Convert to fraction form
    199,716.03/299,576.61 = 111,530.52/x
  3. Step 3: Cross multiply
    199,716.03x = 299,576.61 × 111,530.52
  4. Step 4: Simplify right side
    199,716.03x = 33,411,935,093.14
  5. Step 5: Solve for x
    x = 33,411,935,093.14/199,716.03
  6. Step 6: Final answer
    x = 167,297.21

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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.