Home / 197,928.20-296,892.30-57,691.40

Finding the Fourth Proportional to 197,928.20, 296,892.30 and 57,691.40

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Solution

The fourth proportional to 197,928.20, 296,892.30 and 57,691.40 is: 86,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,928.20 : 296,892.30 = 57,691.40 : x
  2. Step 2: Convert to fraction form
    197,928.20/296,892.30 = 57,691.40/x
  3. Step 3: Cross multiply
    197,928.20x = 296,892.30 × 57,691.40
  4. Step 4: Simplify right side
    197,928.20x = 17,128,132,436.22
  5. Step 5: Solve for x
    x = 17,128,132,436.22/197,928.20
  6. Step 6: Final answer
    x = 86,537.10

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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.