Home / 197,966.20-296,949.30-57,729.40

Finding the Fourth Proportional to 197,966.20, 296,949.30 and 57,729.40

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Solution

The fourth proportional to 197,966.20, 296,949.30 and 57,729.40 is: 86,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,966.20 : 296,949.30 = 57,729.40 : x
  2. Step 2: Convert to fraction form
    197,966.20/296,949.30 = 57,729.40/x
  3. Step 3: Cross multiply
    197,966.20x = 296,949.30 × 57,729.40
  4. Step 4: Simplify right side
    197,966.20x = 17,142,704,919.42
  5. Step 5: Solve for x
    x = 17,142,704,919.42/197,966.20
  6. Step 6: Final answer
    x = 86,594.10

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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.