Home / 198,900.52-274,584.41-153,476.53

Finding the Fourth Proportional to 198,900.52, 274,584.41 and 153,476.53

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Solution

The fourth proportional to 198,900.52, 274,584.41 and 153,476.53 is: 211,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,900.52 : 274,584.41 = 153,476.53 : x
  2. Step 2: Convert to fraction form
    198,900.52/274,584.41 = 153,476.53/x
  3. Step 3: Cross multiply
    198,900.52x = 274,584.41 × 153,476.53
  4. Step 4: Simplify right side
    198,900.52x = 42,142,262,438.90
  5. Step 5: Solve for x
    x = 42,142,262,438.90/198,900.52
  6. Step 6: Final answer
    x = 211,876.08

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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.