Home / 321,716.20-482,631.90-134,746.60

Finding the Fourth Proportional to 321,716.20, 482,631.90 and 134,746.60

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Solution

The fourth proportional to 321,716.20, 482,631.90 and 134,746.60 is: 202,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,716.20 : 482,631.90 = 134,746.60 : x
  2. Step 2: Convert to fraction form
    321,716.20/482,631.90 = 134,746.60/x
  3. Step 3: Cross multiply
    321,716.20x = 482,631.90 × 134,746.60
  4. Step 4: Simplify right side
    321,716.20x = 65,033,007,576.54
  5. Step 5: Solve for x
    x = 65,033,007,576.54/321,716.20
  6. Step 6: Final answer
    x = 202,144.03

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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.