Home / 198,913.52-274,536.24-127,291.10

Finding the Fourth Proportional to 198,913.52, 274,536.24 and 127,291.10

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Solution

The fourth proportional to 198,913.52, 274,536.24 and 127,291.10 is: 175,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,913.52 : 274,536.24 = 127,291.10 : x
  2. Step 2: Convert to fraction form
    198,913.52/274,536.24 = 127,291.10/x
  3. Step 3: Cross multiply
    198,913.52x = 274,536.24 × 127,291.10
  4. Step 4: Simplify right side
    198,913.52x = 34,946,018,129.44
  5. Step 5: Solve for x
    x = 34,946,018,129.44/198,913.52
  6. Step 6: Final answer
    x = 175,684.48

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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.