Home / 198,222.00-273,548.40-107,578.74

Finding the Fourth Proportional to 198,222.00, 273,548.40 and 107,578.74

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Solution

The fourth proportional to 198,222.00, 273,548.40 and 107,578.74 is: 148,459.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,222.00 : 273,548.40 = 107,578.74 : x
  2. Step 2: Convert to fraction form
    198,222.00/273,548.40 = 107,578.74/x
  3. Step 3: Cross multiply
    198,222.00x = 273,548.40 × 107,578.74
  4. Step 4: Simplify right side
    198,222.00x = 29,427,992,823.40
  5. Step 5: Solve for x
    x = 29,427,992,823.40/198,222.00
  6. Step 6: Final answer
    x = 148,459.77

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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.