Home / 156,845.28-235,269-38,517.60

Finding the Fourth Proportional to 156,845.28, 235,269 and 38,517.60

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Solution

The fourth proportional to 156,845.28, 235,269 and 38,517.60 is: 57,776.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,845.28 : 235,269 = 38,517.60 : x
  2. Step 2: Convert to fraction form
    156,845.28/235,269 = 38,517.60/x
  3. Step 3: Cross multiply
    156,845.28x = 235,269 × 38,517.60
  4. Step 4: Simplify right side
    156,845.28x = 9,061,997,234.40
  5. Step 5: Solve for x
    x = 9,061,997,234.40/156,845.28
  6. Step 6: Final answer
    x = 57,776.67

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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.