Home / 234,835.44-351,786.60-129,392.88

Finding the Fourth Proportional to 234,835.44, 351,786.60 and 129,392.88

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Solution

The fourth proportional to 234,835.44, 351,786.60 and 129,392.88 is: 193,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,835.44 : 351,786.60 = 129,392.88 : x
  2. Step 2: Convert to fraction form
    234,835.44/351,786.60 = 129,392.88/x
  3. Step 3: Cross multiply
    234,835.44x = 351,786.60 × 129,392.88
  4. Step 4: Simplify right side
    234,835.44x = 45,518,681,319.41
  5. Step 5: Solve for x
    x = 45,518,681,319.41/234,835.44
  6. Step 6: Final answer
    x = 193,832.25

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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.