Home / 133,206.60-198,838.16-116,391.31

Finding the Fourth Proportional to 133,206.60, 198,838.16 and 116,391.31

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Solution

The fourth proportional to 133,206.60, 198,838.16 and 116,391.31 is: 173,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,206.60 : 198,838.16 = 116,391.31 : x
  2. Step 2: Convert to fraction form
    133,206.60/198,838.16 = 116,391.31/x
  3. Step 3: Cross multiply
    133,206.60x = 198,838.16 × 116,391.31
  4. Step 4: Simplify right side
    133,206.60x = 23,143,033,920.39
  5. Step 5: Solve for x
    x = 23,143,033,920.39/133,206.60
  6. Step 6: Final answer
    x = 173,737.89

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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.