Home / 225,931.20-338,935.68-92,883.84

Finding the Fourth Proportional to 225,931.20, 338,935.68 and 92,883.84

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Solution

The fourth proportional to 225,931.20, 338,935.68 and 92,883.84 is: 139,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,931.20 : 338,935.68 = 92,883.84 : x
  2. Step 2: Convert to fraction form
    225,931.20/338,935.68 = 92,883.84/x
  3. Step 3: Cross multiply
    225,931.20x = 338,935.68 × 92,883.84
  4. Step 4: Simplify right side
    225,931.20x = 31,481,647,471.41
  5. Step 5: Solve for x
    x = 31,481,647,471.41/225,931.20
  6. Step 6: Final answer
    x = 139,341.74

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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.