Home / 135,892.02-187,500.79-82,175.91

Finding the Fourth Proportional to 135,892.02, 187,500.79 and 82,175.91

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Solution

The fourth proportional to 135,892.02, 187,500.79 and 82,175.91 is: 113,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,892.02 : 187,500.79 = 82,175.91 : x
  2. Step 2: Convert to fraction form
    135,892.02/187,500.79 = 82,175.91/x
  3. Step 3: Cross multiply
    135,892.02x = 187,500.79 × 82,175.91
  4. Step 4: Simplify right side
    135,892.02x = 15,408,048,043.97
  5. Step 5: Solve for x
    x = 15,408,048,043.97/135,892.02
  6. Step 6: Final answer
    x = 113,384.49

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1.5x scale

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.