Home / 180,815.11-271,240.89-47,704.57

Finding the Fourth Proportional to 180,815.11, 271,240.89 and 47,704.57

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Solution

The fourth proportional to 180,815.11, 271,240.89 and 47,704.57 is: 71,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,815.11 : 271,240.89 = 47,704.57 : x
  2. Step 2: Convert to fraction form
    180,815.11/271,240.89 = 47,704.57/x
  3. Step 3: Cross multiply
    180,815.11x = 271,240.89 × 47,704.57
  4. Step 4: Simplify right side
    180,815.11x = 12,939,430,023.87
  5. Step 5: Solve for x
    x = 12,939,430,023.87/180,815.11
  6. Step 6: Final answer
    x = 71,561.66

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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.