Home / 134,175.12-185,164.80-73,745.28

Finding the Fourth Proportional to 134,175.12, 185,164.80 and 73,745.28

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Solution

The fourth proportional to 134,175.12, 185,164.80 and 73,745.28 is: 101,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,175.12 : 185,164.80 = 73,745.28 : x
  2. Step 2: Convert to fraction form
    134,175.12/185,164.80 = 73,745.28/x
  3. Step 3: Cross multiply
    134,175.12x = 185,164.80 × 73,745.28
  4. Step 4: Simplify right side
    134,175.12x = 13,655,030,022.14
  5. Step 5: Solve for x
    x = 13,655,030,022.14/134,175.12
  6. Step 6: Final answer
    x = 101,770.21

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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.