Home / 199,975.95-275,983.88-113,961.24

Finding the Fourth Proportional to 199,975.95, 275,983.88 and 113,961.24

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Solution

The fourth proportional to 199,975.95, 275,983.88 and 113,961.24 is: 157,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,975.95 : 275,983.88 = 113,961.24 : x
  2. Step 2: Convert to fraction form
    199,975.95/275,983.88 = 113,961.24/x
  3. Step 3: Cross multiply
    199,975.95x = 275,983.88 × 113,961.24
  4. Step 4: Simplify right side
    199,975.95x = 31,451,464,615.01
  5. Step 5: Solve for x
    x = 31,451,464,615.01/199,975.95
  6. Step 6: Final answer
    x = 157,276.24

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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.