Home / 198,189.02-297,272.92-70,096.43

Finding the Fourth Proportional to 198,189.02, 297,272.92 and 70,096.43

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Solution

The fourth proportional to 198,189.02, 297,272.92 and 70,096.43 is: 105,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,189.02 : 297,272.92 = 70,096.43 : x
  2. Step 2: Convert to fraction form
    198,189.02/297,272.92 = 70,096.43/x
  3. Step 3: Cross multiply
    198,189.02x = 297,272.92 × 70,096.43
  4. Step 4: Simplify right side
    198,189.02x = 20,837,770,427.68
  5. Step 5: Solve for x
    x = 20,837,770,427.68/198,189.02
  6. Step 6: Final answer
    x = 105,140.89

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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.