Home / 141,944.88-212,908.92-53,190.96

Finding the Fourth Proportional to 141,944.88, 212,908.92 and 53,190.96

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Solution

The fourth proportional to 141,944.88, 212,908.92 and 53,190.96 is: 79,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,944.88 : 212,908.92 = 53,190.96 : x
  2. Step 2: Convert to fraction form
    141,944.88/212,908.92 = 53,190.96/x
  3. Step 3: Cross multiply
    141,944.88x = 212,908.92 × 53,190.96
  4. Step 4: Simplify right side
    141,944.88x = 11,324,829,847.36
  5. Step 5: Solve for x
    x = 11,324,829,847.36/141,944.88
  6. Step 6: Final answer
    x = 79,783.29

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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.