Home / 215,570.64-297,380.52-144,046.56

Finding the Fourth Proportional to 215,570.64, 297,380.52 and 144,046.56

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Solution

The fourth proportional to 215,570.64, 297,380.52 and 144,046.56 is: 198,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,570.64 : 297,380.52 = 144,046.56 : x
  2. Step 2: Convert to fraction form
    215,570.64/297,380.52 = 144,046.56/x
  3. Step 3: Cross multiply
    215,570.64x = 297,380.52 × 144,046.56
  4. Step 4: Simplify right side
    215,570.64x = 42,836,640,917.01
  5. Step 5: Solve for x
    x = 42,836,640,917.01/215,570.64
  6. Step 6: Final answer
    x = 198,712.78

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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.