Home / 236,786.64-326,770.38-129,363.63

Finding the Fourth Proportional to 236,786.64, 326,770.38 and 129,363.63

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Solution

The fourth proportional to 236,786.64, 326,770.38 and 129,363.63 is: 178,524.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,786.64 : 326,770.38 = 129,363.63 : x
  2. Step 2: Convert to fraction form
    236,786.64/326,770.38 = 129,363.63/x
  3. Step 3: Cross multiply
    236,786.64x = 326,770.38 × 129,363.63
  4. Step 4: Simplify right side
    236,786.64x = 42,272,202,533.28
  5. Step 5: Solve for x
    x = 42,272,202,533.28/236,786.64
  6. Step 6: Final answer
    x = 178,524.44

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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.