Home / 198,269.13-273,603.96-107,623.15

Finding the Fourth Proportional to 198,269.13, 273,603.96 and 107,623.15

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Solution

The fourth proportional to 198,269.13, 273,603.96 and 107,623.15 is: 148,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,269.13 : 273,603.96 = 107,623.15 : x
  2. Step 2: Convert to fraction form
    198,269.13/273,603.96 = 107,623.15/x
  3. Step 3: Cross multiply
    198,269.13x = 273,603.96 × 107,623.15
  4. Step 4: Simplify right side
    198,269.13x = 29,446,119,343.66
  5. Step 5: Solve for x
    x = 29,446,119,343.66/198,269.13
  6. Step 6: Final answer
    x = 148,515.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.