Home / 134,186.90-201,370.86-55,299.38

Finding the Fourth Proportional to 134,186.90, 201,370.86 and 55,299.38

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Solution

The fourth proportional to 134,186.90, 201,370.86 and 55,299.38 is: 82,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,186.90 : 201,370.86 = 55,299.38 : x
  2. Step 2: Convert to fraction form
    134,186.90/201,370.86 = 55,299.38/x
  3. Step 3: Cross multiply
    134,186.90x = 201,370.86 × 55,299.38
  4. Step 4: Simplify right side
    134,186.90x = 11,135,683,708.07
  5. Step 5: Solve for x
    x = 11,135,683,708.07/134,186.90
  6. Step 6: Final answer
    x = 82,986.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.