Home / 156,944.40-235,416.60-57,107.85

Finding the Fourth Proportional to 156,944.40, 235,416.60 and 57,107.85

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Solution

The fourth proportional to 156,944.40, 235,416.60 and 57,107.85 is: 85,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,944.40 : 235,416.60 = 57,107.85 : x
  2. Step 2: Convert to fraction form
    156,944.40/235,416.60 = 57,107.85/x
  3. Step 3: Cross multiply
    156,944.40x = 235,416.60 × 57,107.85
  4. Step 4: Simplify right side
    156,944.40x = 13,444,135,880.31
  5. Step 5: Solve for x
    x = 13,444,135,880.31/156,944.40
  6. Step 6: Final answer
    x = 85,661.78

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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.