Home / 131,112.36-196,668.72-56,183.90

Finding the Fourth Proportional to 131,112.36, 196,668.72 and 56,183.90

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Solution

The fourth proportional to 131,112.36, 196,668.72 and 56,183.90 is: 84,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,112.36 : 196,668.72 = 56,183.90 : x
  2. Step 2: Convert to fraction form
    131,112.36/196,668.72 = 56,183.90/x
  3. Step 3: Cross multiply
    131,112.36x = 196,668.72 × 56,183.90
  4. Step 4: Simplify right side
    131,112.36x = 11,049,614,714.26
  5. Step 5: Solve for x
    x = 11,049,614,714.26/131,112.36
  6. Step 6: Final answer
    x = 84,275.92

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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.