Home / 454,209.05-681,277.80-198,035.57

Finding the Fourth Proportional to 454,209.05, 681,277.80 and 198,035.57

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Solution

The fourth proportional to 454,209.05, 681,277.80 and 198,035.57 is: 297,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,209.05 : 681,277.80 = 198,035.57 : x
  2. Step 2: Convert to fraction form
    454,209.05/681,277.80 = 198,035.57/x
  3. Step 3: Cross multiply
    454,209.05x = 681,277.80 × 198,035.57
  4. Step 4: Simplify right side
    454,209.05x = 134,917,235,857.12
  5. Step 5: Solve for x
    x = 134,917,235,857.12/454,209.05
  6. Step 6: Final answer
    x = 297,037.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.