Home / 133,205.51-198,836.54-116,390.22

Finding the Fourth Proportional to 133,205.51, 198,836.54 and 116,390.22

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Solution

The fourth proportional to 133,205.51, 198,836.54 and 116,390.22 is: 173,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,205.51 : 198,836.54 = 116,390.22 : x
  2. Step 2: Convert to fraction form
    133,205.51/198,836.54 = 116,390.22/x
  3. Step 3: Cross multiply
    133,205.51x = 198,836.54 × 116,390.22
  4. Step 4: Simplify right side
    133,205.51x = 23,142,627,743.51
  5. Step 5: Solve for x
    x = 23,142,627,743.51/133,205.51
  6. Step 6: Final answer
    x = 173,736.26

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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.