Home / 156,940.85-235,441.56-66,982.25

Finding the Fourth Proportional to 156,940.85, 235,441.56 and 66,982.25

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Solution

The fourth proportional to 156,940.85, 235,441.56 and 66,982.25 is: 100,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,940.85 : 235,441.56 = 66,982.25 : x
  2. Step 2: Convert to fraction form
    156,940.85/235,441.56 = 66,982.25/x
  3. Step 3: Cross multiply
    156,940.85x = 235,441.56 × 66,982.25
  4. Step 4: Simplify right side
    156,940.85x = 15,770,404,255.10
  5. Step 5: Solve for x
    x = 15,770,404,255.10/156,940.85
  6. Step 6: Final answer
    x = 100,486.30

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1.5x scale

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.