Home / 197,989.28-296,959.80-57,748.04

Finding the Fourth Proportional to 197,989.28, 296,959.80 and 57,748.04

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Solution

The fourth proportional to 197,989.28, 296,959.80 and 57,748.04 is: 86,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,989.28 : 296,959.80 = 57,748.04 : x
  2. Step 2: Convert to fraction form
    197,989.28/296,959.80 = 57,748.04/x
  3. Step 3: Cross multiply
    197,989.28x = 296,959.80 × 57,748.04
  4. Step 4: Simplify right side
    197,989.28x = 17,148,846,408.79
  5. Step 5: Solve for x
    x = 17,148,846,408.79/197,989.28
  6. Step 6: Final answer
    x = 86,615.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.