Home / 133,205.60-198,836.67-116,390.31

Finding the Fourth Proportional to 133,205.60, 198,836.67 and 116,390.31

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Solution

The fourth proportional to 133,205.60, 198,836.67 and 116,390.31 is: 173,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,205.60 : 198,836.67 = 116,390.31 : x
  2. Step 2: Convert to fraction form
    133,205.60/198,836.67 = 116,390.31/x
  3. Step 3: Cross multiply
    133,205.60x = 198,836.67 × 116,390.31
  4. Step 4: Simplify right side
    133,205.60x = 23,142,661,660.67
  5. Step 5: Solve for x
    x = 23,142,661,660.67/133,205.60
  6. Step 6: Final answer
    x = 173,736.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.