Home / 225,562.08-338,305.30-105,631.58

Finding the Fourth Proportional to 225,562.08, 338,305.30 and 105,631.58

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Solution

The fourth proportional to 225,562.08, 338,305.30 and 105,631.58 is: 158,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,562.08 : 338,305.30 = 105,631.58 : x
  2. Step 2: Convert to fraction form
    225,562.08/338,305.30 = 105,631.58/x
  3. Step 3: Cross multiply
    225,562.08x = 338,305.30 × 105,631.58
  4. Step 4: Simplify right side
    225,562.08x = 35,735,723,361.37
  5. Step 5: Solve for x
    x = 35,735,723,361.37/225,562.08
  6. Step 6: Final answer
    x = 158,429.66

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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.