Home / 127,614.66-191,430.78-43,340.43

Finding the Fourth Proportional to 127,614.66, 191,430.78 and 43,340.43

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Solution

The fourth proportional to 127,614.66, 191,430.78 and 43,340.43 is: 65,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,614.66 : 191,430.78 = 43,340.43 : x
  2. Step 2: Convert to fraction form
    127,614.66/191,430.78 = 43,340.43/x
  3. Step 3: Cross multiply
    127,614.66x = 191,430.78 × 43,340.43
  4. Step 4: Simplify right side
    127,614.66x = 8,296,692,320.44
  5. Step 5: Solve for x
    x = 8,296,692,320.44/127,614.66
  6. Step 6: Final answer
    x = 65,013.63

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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.