Home / 131,087.34-196,643.79-52,183.08

Finding the Fourth Proportional to 131,087.34, 196,643.79 and 52,183.08

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Solution

The fourth proportional to 131,087.34, 196,643.79 and 52,183.08 is: 78,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,087.34 : 196,643.79 = 52,183.08 : x
  2. Step 2: Convert to fraction form
    131,087.34/196,643.79 = 52,183.08/x
  3. Step 3: Cross multiply
    131,087.34x = 196,643.79 × 52,183.08
  4. Step 4: Simplify right side
    131,087.34x = 10,261,478,625.07
  5. Step 5: Solve for x
    x = 10,261,478,625.07/131,087.34
  6. Step 6: Final answer
    x = 78,279.71

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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.