Home / 156,821.80-236,531.11-146,453.80

Finding the Fourth Proportional to 156,821.80, 236,531.11 and 146,453.80

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Solution

The fourth proportional to 156,821.80, 236,531.11 and 146,453.80 is: 220,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,821.80 : 236,531.11 = 146,453.80 : x
  2. Step 2: Convert to fraction form
    156,821.80/236,531.11 = 146,453.80/x
  3. Step 3: Cross multiply
    156,821.80x = 236,531.11 × 146,453.80
  4. Step 4: Simplify right side
    156,821.80x = 34,640,879,877.72
  5. Step 5: Solve for x
    x = 34,640,879,877.72/156,821.80
  6. Step 6: Final answer
    x = 220,893.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.