Home / 198,408.88-273,807.10-107,765.02

Finding the Fourth Proportional to 198,408.88, 273,807.10 and 107,765.02

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Solution

The fourth proportional to 198,408.88, 273,807.10 and 107,765.02 is: 148,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,408.88 : 273,807.10 = 107,765.02 : x
  2. Step 2: Convert to fraction form
    198,408.88/273,807.10 = 107,765.02/x
  3. Step 3: Cross multiply
    198,408.88x = 273,807.10 × 107,765.02
  4. Step 4: Simplify right side
    198,408.88x = 29,506,827,607.64
  5. Step 5: Solve for x
    x = 29,506,827,607.64/198,408.88
  6. Step 6: Final answer
    x = 148,717.27

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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.