Home / 198,919.68-274,501.08-113,977.68

Finding the Fourth Proportional to 198,919.68, 274,501.08 and 113,977.68

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Solution

The fourth proportional to 198,919.68, 274,501.08 and 113,977.68 is: 157,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,919.68 : 274,501.08 = 113,977.68 : x
  2. Step 2: Convert to fraction form
    198,919.68/274,501.08 = 113,977.68/x
  3. Step 3: Cross multiply
    198,919.68x = 274,501.08 × 113,977.68
  4. Step 4: Simplify right side
    198,919.68x = 31,286,996,255.89
  5. Step 5: Solve for x
    x = 31,286,996,255.89/198,919.68
  6. Step 6: Final answer
    x = 157,284.57

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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.