Home / 135,575.34-187,105.18-75,164.94

Finding the Fourth Proportional to 135,575.34, 187,105.18 and 75,164.94

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Solution

The fourth proportional to 135,575.34, 187,105.18 and 75,164.94 is: 103,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,575.34 : 187,105.18 = 75,164.94 : x
  2. Step 2: Convert to fraction form
    135,575.34/187,105.18 = 75,164.94/x
  3. Step 3: Cross multiply
    135,575.34x = 187,105.18 × 75,164.94
  4. Step 4: Simplify right side
    135,575.34x = 14,063,749,628.39
  5. Step 5: Solve for x
    x = 14,063,749,628.39/135,575.34
  6. Step 6: Final answer
    x = 103,733.83

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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.