Home / 156,910.40-235,365.60-57,073.85

Finding the Fourth Proportional to 156,910.40, 235,365.60 and 57,073.85

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Solution

The fourth proportional to 156,910.40, 235,365.60 and 57,073.85 is: 85,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,910.40 : 235,365.60 = 57,073.85 : x
  2. Step 2: Convert to fraction form
    156,910.40/235,365.60 = 57,073.85/x
  3. Step 3: Cross multiply
    156,910.40x = 235,365.60 × 57,073.85
  4. Step 4: Simplify right side
    156,910.40x = 13,433,220,949.56
  5. Step 5: Solve for x
    x = 13,433,220,949.56/156,910.40
  6. Step 6: Final answer
    x = 85,610.78

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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.