Home / 283,827.54-391,680.82-156,505.26

Finding the Fourth Proportional to 283,827.54, 391,680.82 and 156,505.26

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Solution

The fourth proportional to 283,827.54, 391,680.82 and 156,505.26 is: 215,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,827.54 : 391,680.82 = 156,505.26 : x
  2. Step 2: Convert to fraction form
    283,827.54/391,680.82 = 156,505.26/x
  3. Step 3: Cross multiply
    283,827.54x = 391,680.82 × 156,505.26
  4. Step 4: Simplify right side
    283,827.54x = 61,300,108,571.11
  5. Step 5: Solve for x
    x = 61,300,108,571.11/283,827.54
  6. Step 6: Final answer
    x = 215,976.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.