Home / 131,550.29-197,354.63-61,391.33

Finding the Fourth Proportional to 131,550.29, 197,354.63 and 61,391.33

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Solution

The fourth proportional to 131,550.29, 197,354.63 and 61,391.33 is: 92,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,550.29 : 197,354.63 = 61,391.33 : x
  2. Step 2: Convert to fraction form
    131,550.29/197,354.63 = 61,391.33/x
  3. Step 3: Cross multiply
    131,550.29x = 197,354.63 × 61,391.33
  4. Step 4: Simplify right side
    131,550.29x = 12,115,863,217.36
  5. Step 5: Solve for x
    x = 12,115,863,217.36/131,550.29
  6. Step 6: Final answer
    x = 92,100.62

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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.