Home / 135,946.22-187,609.19-75,513.96

Finding the Fourth Proportional to 135,946.22, 187,609.19 and 75,513.96

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Solution

The fourth proportional to 135,946.22, 187,609.19 and 75,513.96 is: 104,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,946.22 : 187,609.19 = 75,513.96 : x
  2. Step 2: Convert to fraction form
    135,946.22/187,609.19 = 75,513.96/x
  3. Step 3: Cross multiply
    135,946.22x = 187,609.19 × 75,513.96
  4. Step 4: Simplify right side
    135,946.22x = 14,167,112,491.72
  5. Step 5: Solve for x
    x = 14,167,112,491.72/135,946.22
  6. Step 6: Final answer
    x = 104,211.16

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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.