Home / 198,606.96-274,047.21-112,561.02

Finding the Fourth Proportional to 198,606.96, 274,047.21 and 112,561.02

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Solution

The fourth proportional to 198,606.96, 274,047.21 and 112,561.02 is: 155,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,606.96 : 274,047.21 = 112,561.02 : x
  2. Step 2: Convert to fraction form
    198,606.96/274,047.21 = 112,561.02/x
  3. Step 3: Cross multiply
    198,606.96x = 274,047.21 × 112,561.02
  4. Step 4: Simplify right side
    198,606.96x = 30,847,033,485.75
  5. Step 5: Solve for x
    x = 30,847,033,485.75/198,606.96
  6. Step 6: Final answer
    x = 155,316.98

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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.