Home / 134,515.45-185,629.03-74,091.75

Finding the Fourth Proportional to 134,515.45, 185,629.03 and 74,091.75

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Solution

The fourth proportional to 134,515.45, 185,629.03 and 74,091.75 is: 102,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,515.45 : 185,629.03 = 74,091.75 : x
  2. Step 2: Convert to fraction form
    134,515.45/185,629.03 = 74,091.75/x
  3. Step 3: Cross multiply
    134,515.45x = 185,629.03 × 74,091.75
  4. Step 4: Simplify right side
    134,515.45x = 13,753,579,683.50
  5. Step 5: Solve for x
    x = 13,753,579,683.50/134,515.45
  6. Step 6: Final answer
    x = 102,245.35

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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.