Home / 198,034.36-297,046.64-57,794.20

Finding the Fourth Proportional to 198,034.36, 297,046.64 and 57,794.20

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Solution

The fourth proportional to 198,034.36, 297,046.64 and 57,794.20 is: 86,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,034.36 : 297,046.64 = 57,794.20 : x
  2. Step 2: Convert to fraction form
    198,034.36/297,046.64 = 57,794.20/x
  3. Step 3: Cross multiply
    198,034.36x = 297,046.64 × 57,794.20
  4. Step 4: Simplify right side
    198,034.36x = 17,167,572,632.52
  5. Step 5: Solve for x
    x = 17,167,572,632.52/198,034.36
  6. Step 6: Final answer
    x = 86,689.87

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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.