Home / 198,926.90-274,554.71-127,304.47

Finding the Fourth Proportional to 198,926.90, 274,554.71 and 127,304.47

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Solution

The fourth proportional to 198,926.90, 274,554.71 and 127,304.47 is: 175,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,926.90 : 274,554.71 = 127,304.47 : x
  2. Step 2: Convert to fraction form
    198,926.90/274,554.71 = 127,304.47/x
  3. Step 3: Cross multiply
    198,926.90x = 274,554.71 × 127,304.47
  4. Step 4: Simplify right side
    198,926.90x = 34,952,041,842.55
  5. Step 5: Solve for x
    x = 34,952,041,842.55/198,926.90
  6. Step 6: Final answer
    x = 175,702.94

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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.