Home / 135,953.34-187,615.44-75,529.56

Finding the Fourth Proportional to 135,953.34, 187,615.44 and 75,529.56

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Solution

The fourth proportional to 135,953.34, 187,615.44 and 75,529.56 is: 104,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,953.34 : 187,615.44 = 75,529.56 : x
  2. Step 2: Convert to fraction form
    135,953.34/187,615.44 = 75,529.56/x
  3. Step 3: Cross multiply
    135,953.34x = 187,615.44 × 75,529.56
  4. Step 4: Simplify right side
    135,953.34x = 14,170,512,335.96
  5. Step 5: Solve for x
    x = 14,170,512,335.96/135,953.34
  6. Step 6: Final answer
    x = 104,230.71

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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.