Home / 198,849.06-274,411.80-113,966.19

Finding the Fourth Proportional to 198,849.06, 274,411.80 and 113,966.19

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Solution

The fourth proportional to 198,849.06, 274,411.80 and 113,966.19 is: 157,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,849.06 : 274,411.80 = 113,966.19 : x
  2. Step 2: Convert to fraction form
    198,849.06/274,411.80 = 113,966.19/x
  3. Step 3: Cross multiply
    198,849.06x = 274,411.80 × 113,966.19
  4. Step 4: Simplify right side
    198,849.06x = 31,273,667,337.04
  5. Step 5: Solve for x
    x = 31,273,667,337.04/198,849.06
  6. Step 6: Final answer
    x = 157,273.40

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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.