Home / 198,598.43-274,063.91-147,838.16

Finding the Fourth Proportional to 198,598.43, 274,063.91 and 147,838.16

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Solution

The fourth proportional to 198,598.43, 274,063.91 and 147,838.16 is: 204,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,598.43 : 274,063.91 = 147,838.16 : x
  2. Step 2: Convert to fraction form
    198,598.43/274,063.91 = 147,838.16/x
  3. Step 3: Cross multiply
    198,598.43x = 274,063.91 × 147,838.16
  4. Step 4: Simplify right side
    198,598.43x = 40,517,104,122.77
  5. Step 5: Solve for x
    x = 40,517,104,122.77/198,598.43
  6. Step 6: Final answer
    x = 204,015.23

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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.