Home / 198,003.69-273,145.37-141,447.87

Finding the Fourth Proportional to 198,003.69, 273,145.37 and 141,447.87

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Solution

The fourth proportional to 198,003.69, 273,145.37 and 141,447.87 is: 195,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,003.69 : 273,145.37 = 141,447.87 : x
  2. Step 2: Convert to fraction form
    198,003.69/273,145.37 = 141,447.87/x
  3. Step 3: Cross multiply
    198,003.69x = 273,145.37 × 141,447.87
  4. Step 4: Simplify right side
    198,003.69x = 38,635,830,079.62
  5. Step 5: Solve for x
    x = 38,635,830,079.62/198,003.69
  6. Step 6: Final answer
    x = 195,126.82

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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.