Home / 321,844.60-482,882.10-134,913.40

Finding the Fourth Proportional to 321,844.60, 482,882.10 and 134,913.40

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Solution

The fourth proportional to 321,844.60, 482,882.10 and 134,913.40 is: 202,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,844.60 : 482,882.10 = 134,913.40 : x
  2. Step 2: Convert to fraction form
    321,844.60/482,882.10 = 134,913.40/x
  3. Step 3: Cross multiply
    321,844.60x = 482,882.10 × 134,913.40
  4. Step 4: Simplify right side
    321,844.60x = 65,147,265,910.14
  5. Step 5: Solve for x
    x = 65,147,265,910.14/321,844.60
  6. Step 6: Final answer
    x = 202,418.39

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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.