Home / 156,930.70-235,321.85-57,021.26

Finding the Fourth Proportional to 156,930.70, 235,321.85 and 57,021.26

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Solution

The fourth proportional to 156,930.70, 235,321.85 and 57,021.26 is: 85,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,930.70 : 235,321.85 = 57,021.26 : x
  2. Step 2: Convert to fraction form
    156,930.70/235,321.85 = 57,021.26/x
  3. Step 3: Cross multiply
    156,930.70x = 235,321.85 × 57,021.26
  4. Step 4: Simplify right side
    156,930.70x = 13,418,348,392.53
  5. Step 5: Solve for x
    x = 13,418,348,392.53/156,930.70
  6. Step 6: Final answer
    x = 85,504.93

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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.