Home / 156,843.28-235,266-38,515.60

Finding the Fourth Proportional to 156,843.28, 235,266 and 38,515.60

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Solution

The fourth proportional to 156,843.28, 235,266 and 38,515.60 is: 57,773.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,843.28 : 235,266 = 38,515.60 : x
  2. Step 2: Convert to fraction form
    156,843.28/235,266 = 38,515.60/x
  3. Step 3: Cross multiply
    156,843.28x = 235,266 × 38,515.60
  4. Step 4: Simplify right side
    156,843.28x = 9,061,411,149.60
  5. Step 5: Solve for x
    x = 9,061,411,149.60/156,843.28
  6. Step 6: Final answer
    x = 57,773.67

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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.