Home / 154,133.39-231,331.31-60,704.75

Finding the Fourth Proportional to 154,133.39, 231,331.31 and 60,704.75

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Solution

The fourth proportional to 154,133.39, 231,331.31 and 60,704.75 is: 91,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,133.39 : 231,331.31 = 60,704.75 : x
  2. Step 2: Convert to fraction form
    154,133.39/231,331.31 = 60,704.75/x
  3. Step 3: Cross multiply
    154,133.39x = 231,331.31 × 60,704.75
  4. Step 4: Simplify right side
    154,133.39x = 14,042,909,340.72
  5. Step 5: Solve for x
    x = 14,042,909,340.72/154,133.39
  6. Step 6: Final answer
    x = 91,108.81

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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.