Home / 198,206.66-273,525.90-107,562.60

Finding the Fourth Proportional to 198,206.66, 273,525.90 and 107,562.60

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Solution

The fourth proportional to 198,206.66, 273,525.90 and 107,562.60 is: 148,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,206.66 : 273,525.90 = 107,562.60 : x
  2. Step 2: Convert to fraction form
    198,206.66/273,525.90 = 107,562.60/x
  3. Step 3: Cross multiply
    198,206.66x = 273,525.90 × 107,562.60
  4. Step 4: Simplify right side
    198,206.66x = 29,421,156,971.34
  5. Step 5: Solve for x
    x = 29,421,156,971.34/198,206.66
  6. Step 6: Final answer
    x = 148,436.78

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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.