Home / 127,876.14-191,680.44-43,606.80

Finding the Fourth Proportional to 127,876.14, 191,680.44 and 43,606.80

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Solution

The fourth proportional to 127,876.14, 191,680.44 and 43,606.80 is: 65,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,876.14 : 191,680.44 = 43,606.80 : x
  2. Step 2: Convert to fraction form
    127,876.14/191,680.44 = 43,606.80/x
  3. Step 3: Cross multiply
    127,876.14x = 191,680.44 × 43,606.80
  4. Step 4: Simplify right side
    127,876.14x = 8,358,570,610.99
  5. Step 5: Solve for x
    x = 8,358,570,610.99/127,876.14
  6. Step 6: Final answer
    x = 65,364.58

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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.