Home / 113,190.60-156,005.31-82,911.57

Finding the Fourth Proportional to 113,190.60, 156,005.31 and 82,911.57

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Solution

The fourth proportional to 113,190.60, 156,005.31 and 82,911.57 is: 114,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,190.60 : 156,005.31 = 82,911.57 : x
  2. Step 2: Convert to fraction form
    113,190.60/156,005.31 = 82,911.57/x
  3. Step 3: Cross multiply
    113,190.60x = 156,005.31 × 82,911.57
  4. Step 4: Simplify right side
    113,190.60x = 12,934,645,180.44
  5. Step 5: Solve for x
    x = 12,934,645,180.44/113,190.60
  6. Step 6: Final answer
    x = 114,273.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.