Home / 199,380.14-275,133.62-113,327.16

Finding the Fourth Proportional to 199,380.14, 275,133.62 and 113,327.16

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Solution

The fourth proportional to 199,380.14, 275,133.62 and 113,327.16 is: 156,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,380.14 : 275,133.62 = 113,327.16 : x
  2. Step 2: Convert to fraction form
    199,380.14/275,133.62 = 113,327.16/x
  3. Step 3: Cross multiply
    199,380.14x = 275,133.62 × 113,327.16
  4. Step 4: Simplify right side
    199,380.14x = 31,180,111,775.12
  5. Step 5: Solve for x
    x = 31,180,111,775.12/199,380.14
  6. Step 6: Final answer
    x = 156,385.24

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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.