Home / 198,933.02-274,526.79-108,294.02

Finding the Fourth Proportional to 198,933.02, 274,526.79 and 108,294.02

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Solution

The fourth proportional to 198,933.02, 274,526.79 and 108,294.02 is: 149,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,933.02 : 274,526.79 = 108,294.02 : x
  2. Step 2: Convert to fraction form
    198,933.02/274,526.79 = 108,294.02/x
  3. Step 3: Cross multiply
    198,933.02x = 274,526.79 × 108,294.02
  4. Step 4: Simplify right side
    198,933.02x = 29,729,609,686.80
  5. Step 5: Solve for x
    x = 29,729,609,686.80/198,933.02
  6. Step 6: Final answer
    x = 149,445.32

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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.