Home / 180,982.64-271,520.08-127,778.27

Finding the Fourth Proportional to 180,982.64, 271,520.08 and 127,778.27

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Solution

The fourth proportional to 180,982.64, 271,520.08 and 127,778.27 is: 191,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,982.64 : 271,520.08 = 127,778.27 : x
  2. Step 2: Convert to fraction form
    180,982.64/271,520.08 = 127,778.27/x
  3. Step 3: Cross multiply
    180,982.64x = 271,520.08 × 127,778.27
  4. Step 4: Simplify right side
    180,982.64x = 34,694,364,415.62
  5. Step 5: Solve for x
    x = 34,694,364,415.62/180,982.64
  6. Step 6: Final answer
    x = 191,699.95

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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.