Home / 199,396.28-275,191.64-114,511.52

Finding the Fourth Proportional to 199,396.28, 275,191.64 and 114,511.52

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Solution

The fourth proportional to 199,396.28, 275,191.64 and 114,511.52 is: 158,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,396.28 : 275,191.64 = 114,511.52 : x
  2. Step 2: Convert to fraction form
    199,396.28/275,191.64 = 114,511.52/x
  3. Step 3: Cross multiply
    199,396.28x = 275,191.64 × 114,511.52
  4. Step 4: Simplify right side
    199,396.28x = 31,512,612,987.69
  5. Step 5: Solve for x
    x = 31,512,612,987.69/199,396.28
  6. Step 6: Final answer
    x = 158,040.12

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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.