Home / 198,858.96-274,428.24-108,217.52

Finding the Fourth Proportional to 198,858.96, 274,428.24 and 108,217.52

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Solution

The fourth proportional to 198,858.96, 274,428.24 and 108,217.52 is: 149,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,858.96 : 274,428.24 = 108,217.52 : x
  2. Step 2: Convert to fraction form
    198,858.96/274,428.24 = 108,217.52/x
  3. Step 3: Cross multiply
    198,858.96x = 274,428.24 × 108,217.52
  4. Step 4: Simplify right side
    198,858.96x = 29,697,943,550.76
  5. Step 5: Solve for x
    x = 29,697,943,550.76/198,858.96
  6. Step 6: Final answer
    x = 149,341.74

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1.5x scale

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.