Home / 193,002.41-289,542.31-66,647.29

Finding the Fourth Proportional to 193,002.41, 289,542.31 and 66,647.29

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Solution

The fourth proportional to 193,002.41, 289,542.31 and 66,647.29 is: 99,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,002.41 : 289,542.31 = 66,647.29 : x
  2. Step 2: Convert to fraction form
    193,002.41/289,542.31 = 66,647.29/x
  3. Step 3: Cross multiply
    193,002.41x = 289,542.31 × 66,647.29
  4. Step 4: Simplify right side
    193,002.41x = 19,297,209,648.10
  5. Step 5: Solve for x
    x = 19,297,209,648.10/193,002.41
  6. Step 6: Final answer
    x = 99,984.29

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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.