Home / 215,072.96-296,786.76-119,577.20

Finding the Fourth Proportional to 215,072.96, 296,786.76 and 119,577.20

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Solution

The fourth proportional to 215,072.96, 296,786.76 and 119,577.20 is: 165,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,072.96 : 296,786.76 = 119,577.20 : x
  2. Step 2: Convert to fraction form
    215,072.96/296,786.76 = 119,577.20/x
  3. Step 3: Cross multiply
    215,072.96x = 296,786.76 × 119,577.20
  4. Step 4: Simplify right side
    215,072.96x = 35,488,929,757.87
  5. Step 5: Solve for x
    x = 35,488,929,757.87/215,072.96
  6. Step 6: Final answer
    x = 165,008.79

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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.