Home / 198,505.64-273,835.08-122,922.92

Finding the Fourth Proportional to 198,505.64, 273,835.08 and 122,922.92

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Solution

The fourth proportional to 198,505.64, 273,835.08 and 122,922.92 is: 169,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,505.64 : 273,835.08 = 122,922.92 : x
  2. Step 2: Convert to fraction form
    198,505.64/273,835.08 = 122,922.92/x
  3. Step 3: Cross multiply
    198,505.64x = 273,835.08 × 122,922.92
  4. Step 4: Simplify right side
    198,505.64x = 33,660,607,632.03
  5. Step 5: Solve for x
    x = 33,660,607,632.03/198,505.64
  6. Step 6: Final answer
    x = 169,570.03

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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.