Home / 322,849.68-483,953.16-154,172.80

Finding the Fourth Proportional to 322,849.68, 483,953.16 and 154,172.80

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Solution

The fourth proportional to 322,849.68, 483,953.16 and 154,172.80 is: 231,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,849.68 : 483,953.16 = 154,172.80 : x
  2. Step 2: Convert to fraction form
    322,849.68/483,953.16 = 154,172.80/x
  3. Step 3: Cross multiply
    322,849.68x = 483,953.16 × 154,172.80
  4. Step 4: Simplify right side
    322,849.68x = 74,612,413,746.05
  5. Step 5: Solve for x
    x = 74,612,413,746.05/322,849.68
  6. Step 6: Final answer
    x = 231,105.74

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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.