Home / 134,650.11-185,808.67-74,217.42

Finding the Fourth Proportional to 134,650.11, 185,808.67 and 74,217.42

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Solution

The fourth proportional to 134,650.11, 185,808.67 and 74,217.42 is: 102,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,650.11 : 185,808.67 = 74,217.42 : x
  2. Step 2: Convert to fraction form
    134,650.11/185,808.67 = 74,217.42/x
  3. Step 3: Cross multiply
    134,650.11x = 185,808.67 × 74,217.42
  4. Step 4: Simplify right side
    134,650.11x = 13,790,240,101.03
  5. Step 5: Solve for x
    x = 13,790,240,101.03/134,650.11
  6. Step 6: Final answer
    x = 102,415.36

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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.