Home / 199,373.20-275,141.16-114,507.28

Finding the Fourth Proportional to 199,373.20, 275,141.16 and 114,507.28

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Solution

The fourth proportional to 199,373.20, 275,141.16 and 114,507.28 is: 158,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,373.20 : 275,141.16 = 114,507.28 : x
  2. Step 2: Convert to fraction form
    199,373.20/275,141.16 = 114,507.28/x
  3. Step 3: Cross multiply
    199,373.20x = 275,141.16 × 114,507.28
  4. Step 4: Simplify right side
    199,373.20x = 31,505,665,847.64
  5. Step 5: Solve for x
    x = 31,505,665,847.64/199,373.20
  6. Step 6: Final answer
    x = 158,023.58

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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.