Home / 127,698.24-191,491.68-43,435.52

Finding the Fourth Proportional to 127,698.24, 191,491.68 and 43,435.52

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Solution

The fourth proportional to 127,698.24, 191,491.68 and 43,435.52 is: 65,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,698.24 : 191,491.68 = 43,435.52 : x
  2. Step 2: Convert to fraction form
    127,698.24/191,491.68 = 43,435.52/x
  3. Step 3: Cross multiply
    127,698.24x = 191,491.68 × 43,435.52
  4. Step 4: Simplify right side
    127,698.24x = 8,317,540,696.47
  5. Step 5: Solve for x
    x = 8,317,540,696.47/127,698.24
  6. Step 6: Final answer
    x = 65,134.34

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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.