Home / 131,836.85-197,590.79-64,313.22

Finding the Fourth Proportional to 131,836.85, 197,590.79 and 64,313.22

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Solution

The fourth proportional to 131,836.85, 197,590.79 and 64,313.22 is: 96,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,836.85 : 197,590.79 = 64,313.22 : x
  2. Step 2: Convert to fraction form
    131,836.85/197,590.79 = 64,313.22/x
  3. Step 3: Cross multiply
    131,836.85x = 197,590.79 × 64,313.22
  4. Step 4: Simplify right side
    131,836.85x = 12,707,699,625.68
  5. Step 5: Solve for x
    x = 12,707,699,625.68/131,836.85
  6. Step 6: Final answer
    x = 96,389.59

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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.