Home / 140,969.04-211,453.92-47,540.40

Finding the Fourth Proportional to 140,969.04, 211,453.92 and 47,540.40

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Solution

The fourth proportional to 140,969.04, 211,453.92 and 47,540.40 is: 71,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,969.04 : 211,453.92 = 47,540.40 : x
  2. Step 2: Convert to fraction form
    140,969.04/211,453.92 = 47,540.40/x
  3. Step 3: Cross multiply
    140,969.04x = 211,453.92 × 47,540.40
  4. Step 4: Simplify right side
    140,969.04x = 10,052,603,938.37
  5. Step 5: Solve for x
    x = 10,052,603,938.37/140,969.04
  6. Step 6: Final answer
    x = 71,310.72

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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.