Home / 180,771.20-271,133.64-47,661.92

Finding the Fourth Proportional to 180,771.20, 271,133.64 and 47,661.92

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Solution

The fourth proportional to 180,771.20, 271,133.64 and 47,661.92 is: 71,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,771.20 : 271,133.64 = 47,661.92 : x
  2. Step 2: Convert to fraction form
    180,771.20/271,133.64 = 47,661.92/x
  3. Step 3: Cross multiply
    180,771.20x = 271,133.64 × 47,661.92
  4. Step 4: Simplify right side
    180,771.20x = 12,922,749,858.99
  5. Step 5: Solve for x
    x = 12,922,749,858.99/180,771.20
  6. Step 6: Final answer
    x = 71,486.77

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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.