Home / 126,171.66-189,388.71-92,929.26

Finding the Fourth Proportional to 126,171.66, 189,388.71 and 92,929.26

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Solution

The fourth proportional to 126,171.66, 189,388.71 and 92,929.26 is: 139,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,171.66 : 189,388.71 = 92,929.26 : x
  2. Step 2: Convert to fraction form
    126,171.66/189,388.71 = 92,929.26/x
  3. Step 3: Cross multiply
    126,171.66x = 189,388.71 × 92,929.26
  4. Step 4: Simplify right side
    126,171.66x = 17,599,752,672.65
  5. Step 5: Solve for x
    x = 17,599,752,672.65/126,171.66
  6. Step 6: Final answer
    x = 139,490.54

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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.