Home / 198,712.24-274,220.30-108,066.26

Finding the Fourth Proportional to 198,712.24, 274,220.30 and 108,066.26

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Solution

The fourth proportional to 198,712.24, 274,220.30 and 108,066.26 is: 149,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,712.24 : 274,220.30 = 108,066.26 : x
  2. Step 2: Convert to fraction form
    198,712.24/274,220.30 = 108,066.26/x
  3. Step 3: Cross multiply
    198,712.24x = 274,220.30 × 108,066.26
  4. Step 4: Simplify right side
    198,712.24x = 29,633,962,071.07
  5. Step 5: Solve for x
    x = 29,633,962,071.07/198,712.24
  6. Step 6: Final answer
    x = 149,130.03

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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.