Home / 135,634.76-187,175.06-75,205.44

Finding the Fourth Proportional to 135,634.76, 187,175.06 and 75,205.44

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Solution

The fourth proportional to 135,634.76, 187,175.06 and 75,205.44 is: 103,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,634.76 : 187,175.06 = 75,205.44 : x
  2. Step 2: Convert to fraction form
    135,634.76/187,175.06 = 75,205.44/x
  3. Step 3: Cross multiply
    135,634.76x = 187,175.06 × 75,205.44
  4. Step 4: Simplify right side
    135,634.76x = 14,076,582,744.33
  5. Step 5: Solve for x
    x = 14,076,582,744.33/135,634.76
  6. Step 6: Final answer
    x = 103,783.00

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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.