Home / 198,003.94-273,145.71-141,448.12

Finding the Fourth Proportional to 198,003.94, 273,145.71 and 141,448.12

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Solution

The fourth proportional to 198,003.94, 273,145.71 and 141,448.12 is: 195,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,003.94 : 273,145.71 = 141,448.12 : x
  2. Step 2: Convert to fraction form
    198,003.94/273,145.71 = 141,448.12/x
  3. Step 3: Cross multiply
    198,003.94x = 273,145.71 × 141,448.12
  4. Step 4: Simplify right side
    198,003.94x = 38,635,947,165.57
  5. Step 5: Solve for x
    x = 38,635,947,165.57/198,003.94
  6. Step 6: Final answer
    x = 195,127.16

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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.