Home / 198,666.15-274,151.73-108,022.17

Finding the Fourth Proportional to 198,666.15, 274,151.73 and 108,022.17

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Solution

The fourth proportional to 198,666.15, 274,151.73 and 108,022.17 is: 149,066.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,666.15 : 274,151.73 = 108,022.17 : x
  2. Step 2: Convert to fraction form
    198,666.15/274,151.73 = 108,022.17/x
  3. Step 3: Cross multiply
    198,666.15x = 274,151.73 × 108,022.17
  4. Step 4: Simplify right side
    198,666.15x = 29,614,464,783.85
  5. Step 5: Solve for x
    x = 29,614,464,783.85/198,666.15
  6. Step 6: Final answer
    x = 149,066.49

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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.