Home / 135,856.96-187,554.24-82,153.92

Finding the Fourth Proportional to 135,856.96, 187,554.24 and 82,153.92

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Solution

The fourth proportional to 135,856.96, 187,554.24 and 82,153.92 is: 113,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,856.96 : 187,554.24 = 82,153.92 : x
  2. Step 2: Convert to fraction form
    135,856.96/187,554.24 = 82,153.92/x
  3. Step 3: Cross multiply
    135,856.96x = 187,554.24 × 82,153.92
  4. Step 4: Simplify right side
    135,856.96x = 15,408,316,028.62
  5. Step 5: Solve for x
    x = 15,408,316,028.62/135,856.96
  6. Step 6: Final answer
    x = 113,415.73

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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.