Home / 180,815.12-271,240.90-47,704.58

Finding the Fourth Proportional to 180,815.12, 271,240.90 and 47,704.58

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Solution

The fourth proportional to 180,815.12, 271,240.90 and 47,704.58 is: 71,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,815.12 : 271,240.90 = 47,704.58 : x
  2. Step 2: Convert to fraction form
    180,815.12/271,240.90 = 47,704.58/x
  3. Step 3: Cross multiply
    180,815.12x = 271,240.90 × 47,704.58
  4. Step 4: Simplify right side
    180,815.12x = 12,939,433,213.32
  5. Step 5: Solve for x
    x = 12,939,433,213.32/180,815.12
  6. Step 6: Final answer
    x = 71,561.68

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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.