Home / 156,630.26-234,945.39-38,300.19

Finding the Fourth Proportional to 156,630.26, 234,945.39 and 38,300.19

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Solution

The fourth proportional to 156,630.26, 234,945.39 and 38,300.19 is: 57,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,630.26 : 234,945.39 = 38,300.19 : x
  2. Step 2: Convert to fraction form
    156,630.26/234,945.39 = 38,300.19/x
  3. Step 3: Cross multiply
    156,630.26x = 234,945.39 × 38,300.19
  4. Step 4: Simplify right side
    156,630.26x = 8,998,453,076.62
  5. Step 5: Solve for x
    x = 8,998,453,076.62/156,630.26
  6. Step 6: Final answer
    x = 57,450.29

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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.