Home / 132,373.98-198,167.13-79,623.54

Finding the Fourth Proportional to 132,373.98, 198,167.13 and 79,623.54

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Solution

The fourth proportional to 132,373.98, 198,167.13 and 79,623.54 is: 119,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,373.98 : 198,167.13 = 79,623.54 : x
  2. Step 2: Convert to fraction form
    132,373.98/198,167.13 = 79,623.54/x
  3. Step 3: Cross multiply
    132,373.98x = 198,167.13 × 79,623.54
  4. Step 4: Simplify right side
    132,373.98x = 15,778,768,402.24
  5. Step 5: Solve for x
    x = 15,778,768,402.24/132,373.98
  6. Step 6: Final answer
    x = 119,198.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.