Home / 199,736.16-275,256.96-143,049.12

Finding the Fourth Proportional to 199,736.16, 275,256.96 and 143,049.12

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Solution

The fourth proportional to 199,736.16, 275,256.96 and 143,049.12 is: 197,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,736.16 : 275,256.96 = 143,049.12 : x
  2. Step 2: Convert to fraction form
    199,736.16/275,256.96 = 143,049.12/x
  3. Step 3: Cross multiply
    199,736.16x = 275,256.96 × 143,049.12
  4. Step 4: Simplify right side
    199,736.16x = 39,375,265,901.88
  5. Step 5: Solve for x
    x = 39,375,265,901.88/199,736.16
  6. Step 6: Final answer
    x = 197,136.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.