Home / 135,757.84-187,337.28-82,011.04

Finding the Fourth Proportional to 135,757.84, 187,337.28 and 82,011.04

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Solution

The fourth proportional to 135,757.84, 187,337.28 and 82,011.04 is: 113,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,757.84 : 187,337.28 = 82,011.04 : x
  2. Step 2: Convert to fraction form
    135,757.84/187,337.28 = 82,011.04/x
  3. Step 3: Cross multiply
    135,757.84x = 187,337.28 × 82,011.04
  4. Step 4: Simplify right side
    135,757.84x = 15,363,725,163.57
  5. Step 5: Solve for x
    x = 15,363,725,163.57/135,757.84
  6. Step 6: Final answer
    x = 113,170.08

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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.