Home / 202,198.85-279,032.46-111,555.54

Finding the Fourth Proportional to 202,198.85, 279,032.46 and 111,555.54

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Solution

The fourth proportional to 202,198.85, 279,032.46 and 111,555.54 is: 153,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,198.85 : 279,032.46 = 111,555.54 : x
  2. Step 2: Convert to fraction form
    202,198.85/279,032.46 = 111,555.54/x
  3. Step 3: Cross multiply
    202,198.85x = 279,032.46 × 111,555.54
  4. Step 4: Simplify right side
    202,198.85x = 31,127,616,752.83
  5. Step 5: Solve for x
    x = 31,127,616,752.83/202,198.85
  6. Step 6: Final answer
    x = 153,945.57

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1.5x scale

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.