Home / 135,941.25-187,604.19-75,516.48

Finding the Fourth Proportional to 135,941.25, 187,604.19 and 75,516.48

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Solution

The fourth proportional to 135,941.25, 187,604.19 and 75,516.48 is: 104,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,941.25 : 187,604.19 = 75,516.48 : x
  2. Step 2: Convert to fraction form
    135,941.25/187,604.19 = 75,516.48/x
  3. Step 3: Cross multiply
    135,941.25x = 187,604.19 × 75,516.48
  4. Step 4: Simplify right side
    135,941.25x = 14,167,208,062.05
  5. Step 5: Solve for x
    x = 14,167,208,062.05/135,941.25
  6. Step 6: Final answer
    x = 104,215.67

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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.