Home / 133,205.06-198,835.90-116,389.76

Finding the Fourth Proportional to 133,205.06, 198,835.90 and 116,389.76

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Solution

The fourth proportional to 133,205.06, 198,835.90 and 116,389.76 is: 173,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,205.06 : 198,835.90 = 116,389.76 : x
  2. Step 2: Convert to fraction form
    133,205.06/198,835.90 = 116,389.76/x
  3. Step 3: Cross multiply
    133,205.06x = 198,835.90 × 116,389.76
  4. Step 4: Simplify right side
    133,205.06x = 23,142,462,680.38
  5. Step 5: Solve for x
    x = 23,142,462,680.38/133,205.06
  6. Step 6: Final answer
    x = 173,735.61

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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.