Home / 180,905.67-271,371.45-47,784.60

Finding the Fourth Proportional to 180,905.67, 271,371.45 and 47,784.60

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Solution

The fourth proportional to 180,905.67, 271,371.45 and 47,784.60 is: 71,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,905.67 : 271,371.45 = 47,784.60 : x
  2. Step 2: Convert to fraction form
    180,905.67/271,371.45 = 47,784.60/x
  3. Step 3: Cross multiply
    180,905.67x = 271,371.45 × 47,784.60
  4. Step 4: Simplify right side
    180,905.67x = 12,967,376,189.67
  5. Step 5: Solve for x
    x = 12,967,376,189.67/180,905.67
  6. Step 6: Final answer
    x = 71,680.32

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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.