Home / 198,838.98-274,308.57-134,287.23

Finding the Fourth Proportional to 198,838.98, 274,308.57 and 134,287.23

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Solution

The fourth proportional to 198,838.98, 274,308.57 and 134,287.23 is: 185,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,838.98 : 274,308.57 = 134,287.23 : x
  2. Step 2: Convert to fraction form
    198,838.98/274,308.57 = 134,287.23/x
  3. Step 3: Cross multiply
    198,838.98x = 274,308.57 × 134,287.23
  4. Step 4: Simplify right side
    198,838.98x = 36,836,138,030.56
  5. Step 5: Solve for x
    x = 36,836,138,030.56/198,838.98
  6. Step 6: Final answer
    x = 185,256.12

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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.