Home / 230,066.32-345,199.94-80,414.00

Finding the Fourth Proportional to 230,066.32, 345,199.94 and 80,414.00

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Solution

The fourth proportional to 230,066.32, 345,199.94 and 80,414.00 is: 120,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,066.32 : 345,199.94 = 80,414.00 : x
  2. Step 2: Convert to fraction form
    230,066.32/345,199.94 = 80,414.00/x
  3. Step 3: Cross multiply
    230,066.32x = 345,199.94 × 80,414.00
  4. Step 4: Simplify right side
    230,066.32x = 27,758,905,847.09
  5. Step 5: Solve for x
    x = 27,758,905,847.09/230,066.32
  6. Step 6: Final answer
    x = 120,656.10

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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.