Home / 156,014.20-234,021.30-93,028.60

Finding the Fourth Proportional to 156,014.20, 234,021.30 and 93,028.60

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Solution

The fourth proportional to 156,014.20, 234,021.30 and 93,028.60 is: 139,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,014.20 : 234,021.30 = 93,028.60 : x
  2. Step 2: Convert to fraction form
    156,014.20/234,021.30 = 93,028.60/x
  3. Step 3: Cross multiply
    156,014.20x = 234,021.30 × 93,028.60
  4. Step 4: Simplify right side
    156,014.20x = 21,770,673,909.18
  5. Step 5: Solve for x
    x = 21,770,673,909.18/156,014.20
  6. Step 6: Final answer
    x = 139,542.90

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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.