Home / 198,650.46-274,149.28-112,616.30

Finding the Fourth Proportional to 198,650.46, 274,149.28 and 112,616.30

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Solution

The fourth proportional to 198,650.46, 274,149.28 and 112,616.30 is: 155,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,650.46 : 274,149.28 = 112,616.30 : x
  2. Step 2: Convert to fraction form
    198,650.46/274,149.28 = 112,616.30/x
  3. Step 3: Cross multiply
    198,650.46x = 274,149.28 × 112,616.30
  4. Step 4: Simplify right side
    198,650.46x = 30,873,677,561.26
  5. Step 5: Solve for x
    x = 30,873,677,561.26/198,650.46
  6. Step 6: Final answer
    x = 155,417.10

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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.