Home / 353,982.11-530,963.45-87,736.73

Finding the Fourth Proportional to 353,982.11, 530,963.45 and 87,736.73

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Solution

The fourth proportional to 353,982.11, 530,963.45 and 87,736.73 is: 131,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,982.11 : 530,963.45 = 87,736.73 : x
  2. Step 2: Convert to fraction form
    353,982.11/530,963.45 = 87,736.73/x
  3. Step 3: Cross multiply
    353,982.11x = 530,963.45 × 87,736.73
  4. Step 4: Simplify right side
    353,982.11x = 46,584,993,759.02
  5. Step 5: Solve for x
    x = 46,584,993,759.02/353,982.11
  6. Step 6: Final answer
    x = 131,602.68

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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.