Home / 198,859.38-274,364.07-112,804.14

Finding the Fourth Proportional to 198,859.38, 274,364.07 and 112,804.14

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Solution

The fourth proportional to 198,859.38, 274,364.07 and 112,804.14 is: 155,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,859.38 : 274,364.07 = 112,804.14 : x
  2. Step 2: Convert to fraction form
    198,859.38/274,364.07 = 112,804.14/x
  3. Step 3: Cross multiply
    198,859.38x = 274,364.07 × 112,804.14
  4. Step 4: Simplify right side
    198,859.38x = 30,949,402,963.25
  5. Step 5: Solve for x
    x = 30,949,402,963.25/198,859.38
  6. Step 6: Final answer
    x = 155,634.61

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1.5x scale

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.