Home / 127,741.92-191,529.44-61,179.92

Finding the Fourth Proportional to 127,741.92, 191,529.44 and 61,179.92

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Solution

The fourth proportional to 127,741.92, 191,529.44 and 61,179.92 is: 91,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,741.92 : 191,529.44 = 61,179.92 : x
  2. Step 2: Convert to fraction form
    127,741.92/191,529.44 = 61,179.92/x
  3. Step 3: Cross multiply
    127,741.92x = 191,529.44 × 61,179.92
  4. Step 4: Simplify right side
    127,741.92x = 11,717,755,816.84
  5. Step 5: Solve for x
    x = 11,717,755,816.84/127,741.92
  6. Step 6: Final answer
    x = 91,729.92

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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.