Home / 135,934.20-187,598.16-82,221.48

Finding the Fourth Proportional to 135,934.20, 187,598.16 and 82,221.48

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Solution

The fourth proportional to 135,934.20, 187,598.16 and 82,221.48 is: 113,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,934.20 : 187,598.16 = 82,221.48 : x
  2. Step 2: Convert to fraction form
    135,934.20/187,598.16 = 82,221.48/x
  3. Step 3: Cross multiply
    135,934.20x = 187,598.16 × 82,221.48
  4. Step 4: Simplify right side
    135,934.20x = 15,424,598,360.48
  5. Step 5: Solve for x
    x = 15,424,598,360.48/135,934.20
  6. Step 6: Final answer
    x = 113,471.06

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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.