Home / 220,155.11-303,709.73-148,558.19

Finding the Fourth Proportional to 220,155.11, 303,709.73 and 148,558.19

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Solution

The fourth proportional to 220,155.11, 303,709.73 and 148,558.19 is: 204,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,155.11 : 303,709.73 = 148,558.19 : x
  2. Step 2: Convert to fraction form
    220,155.11/303,709.73 = 148,558.19/x
  3. Step 3: Cross multiply
    220,155.11x = 303,709.73 × 148,558.19
  4. Step 4: Simplify right side
    220,155.11x = 45,118,567,790.67
  5. Step 5: Solve for x
    x = 45,118,567,790.67/220,155.11
  6. Step 6: Final answer
    x = 204,939.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.