Home / 215,031.20-296,761.01-119,546.78

Finding the Fourth Proportional to 215,031.20, 296,761.01 and 119,546.78

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Solution

The fourth proportional to 215,031.20, 296,761.01 and 119,546.78 is: 164,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,031.20 : 296,761.01 = 119,546.78 : x
  2. Step 2: Convert to fraction form
    215,031.20/296,761.01 = 119,546.78/x
  3. Step 3: Cross multiply
    215,031.20x = 296,761.01 × 119,546.78
  4. Step 4: Simplify right side
    215,031.20x = 35,476,821,093.51
  5. Step 5: Solve for x
    x = 35,476,821,093.51/215,031.20
  6. Step 6: Final answer
    x = 164,984.53

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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.