Home / 134,215.36-201,175.40-55,286.53

Finding the Fourth Proportional to 134,215.36, 201,175.40 and 55,286.53

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Solution

The fourth proportional to 134,215.36, 201,175.40 and 55,286.53 is: 82,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,215.36 : 201,175.40 = 55,286.53 : x
  2. Step 2: Convert to fraction form
    134,215.36/201,175.40 = 55,286.53/x
  3. Step 3: Cross multiply
    134,215.36x = 201,175.40 × 55,286.53
  4. Step 4: Simplify right side
    134,215.36x = 11,122,289,422.64
  5. Step 5: Solve for x
    x = 11,122,289,422.64/134,215.36
  6. Step 6: Final answer
    x = 82,868.98

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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.