Home / 238,249.54-328,788.21-130,829.50

Finding the Fourth Proportional to 238,249.54, 328,788.21 and 130,829.50

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Solution

The fourth proportional to 238,249.54, 328,788.21 and 130,829.50 is: 180,546.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,249.54 : 328,788.21 = 130,829.50 : x
  2. Step 2: Convert to fraction form
    238,249.54/328,788.21 = 130,829.50/x
  3. Step 3: Cross multiply
    238,249.54x = 328,788.21 × 130,829.50
  4. Step 4: Simplify right side
    238,249.54x = 43,015,197,120.20
  5. Step 5: Solve for x
    x = 43,015,197,120.20/238,249.54
  6. Step 6: Final answer
    x = 180,546.82

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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.