Home / 123,380.22-185,144.04-113,341.90

Finding the Fourth Proportional to 123,380.22, 185,144.04 and 113,341.90

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Solution

The fourth proportional to 123,380.22, 185,144.04 and 113,341.90 is: 170,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,380.22 : 185,144.04 = 113,341.90 : x
  2. Step 2: Convert to fraction form
    123,380.22/185,144.04 = 113,341.90/x
  3. Step 3: Cross multiply
    123,380.22x = 185,144.04 × 113,341.90
  4. Step 4: Simplify right side
    123,380.22x = 20,984,577,267.28
  5. Step 5: Solve for x
    x = 20,984,577,267.28/123,380.22
  6. Step 6: Final answer
    x = 170,080.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.