Home / 135,039.26-186,361.65-74,608.61

Finding the Fourth Proportional to 135,039.26, 186,361.65 and 74,608.61

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Solution

The fourth proportional to 135,039.26, 186,361.65 and 74,608.61 is: 102,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,039.26 : 186,361.65 = 74,608.61 : x
  2. Step 2: Convert to fraction form
    135,039.26/186,361.65 = 74,608.61/x
  3. Step 3: Cross multiply
    135,039.26x = 186,361.65 × 74,608.61
  4. Step 4: Simplify right side
    135,039.26x = 13,904,182,732.00
  5. Step 5: Solve for x
    x = 13,904,182,732.00/135,039.26
  6. Step 6: Final answer
    x = 102,964.00

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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.