Home / 252,388.17-378,500.33-83,863.23

Finding the Fourth Proportional to 252,388.17, 378,500.33 and 83,863.23

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Solution

The fourth proportional to 252,388.17, 378,500.33 and 83,863.23 is: 125,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,388.17 : 378,500.33 = 83,863.23 : x
  2. Step 2: Convert to fraction form
    252,388.17/378,500.33 = 83,863.23/x
  3. Step 3: Cross multiply
    252,388.17x = 378,500.33 × 83,863.23
  4. Step 4: Simplify right side
    252,388.17x = 31,742,260,229.87
  5. Step 5: Solve for x
    x = 31,742,260,229.87/252,388.17
  6. Step 6: Final answer
    x = 125,767.63

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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.