Home / 127,623.35-191,455.79-43,391.05

Finding the Fourth Proportional to 127,623.35, 191,455.79 and 43,391.05

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Solution

The fourth proportional to 127,623.35, 191,455.79 and 43,391.05 is: 65,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,623.35 : 191,455.79 = 43,391.05 : x
  2. Step 2: Convert to fraction form
    127,623.35/191,455.79 = 43,391.05/x
  3. Step 3: Cross multiply
    127,623.35x = 191,455.79 × 43,391.05
  4. Step 4: Simplify right side
    127,623.35x = 8,307,467,061.08
  5. Step 5: Solve for x
    x = 8,307,467,061.08/127,623.35
  6. Step 6: Final answer
    x = 65,093.63

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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.